(1) Drinking A national health organization, concerned about drinking in middle school students, surveyed 220 randomly selected US 8th-grade students and found that 18 of them had had a drink of alcohol in the past month. (a) Verify that the sample is large enough to proceed (for the Central Limit Theorem to apply).
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(1) Drinking A national health organization, concerned about drinking in middle school students, surveyed 220 randomly selected US 8th-grade students and found that 18 of them had had a drink of alcohol in the past month.
(a) Verify that the sample is large enough to proceed (for the Central Limit Theorem to apply).
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- A research center claims that 28% of adults in a certain country would travel into space on a commercial flight if they could afford it In a random sample of 1200 adults in that country, 32% say that they would travel into space on a commercial flight if they could afford it At a=0.01, is there enough evidence to reject the research center's claim? Complete parts (a) through (d) below. (a) Identify the claim and state H, and H,- Identify the claim in this scenario. Select the correct choice below and fill in the answer box to complete your choice. (Type an integer or a decimal. Do not round.) O A. % of adults in the country would travel into space on a commercial flight if they could afford it. O B. No more than % of adults in the country would travel into space on a commercial flight if they could afford it. O C. At least % of adults in the country would travel into space on a commercial flight if they could afford it. %. Let p be the population proportion of successes, where a…A research center claims that at least 32% of adults in a certain country think that their taxes will be audited. In a random sample of 1100 adults in that country in a recent year, 27% say they are concerned that their taxes will be audited. At x = 0.10, is there enough evidence to reject the center's claim? Complete parts (a) through (e) below. (a) Identify the claim and state Ho and Ha Identify the claim in this scenario. Select the correct choice below and fill in the answer box to complete your choice. (Type an integer or a decimal. Do not round.) OA. % of adults in the country think that their taxes will be audited. % of adults in the country think that their taxes will be audited. OB. At least OC. Less than % of adults in the country think that their taxes will be audited. O D. The percentage of adults in the country who think that their taxes will be audited is not %. Let p be the population proportion of successes, where a success is an adult in the country who thinks that…A medical researcher says that less than 82% of adults in a certain country think that healthy children should be required to be vaccinated. In a random sample of 300 adults in that country, 78% think that healthy children should be required to be vaccinated. At a =0.10, is there enough evidence to support the researcher's claim? Complete parts (a) through (e) below. (a) Identify the claim and state Ho and H Identify the claim in this scenario. Select the correct choice below and fill in the answer box to complete your choice. (Type an integer or a decimal. Do not round.) O A. Less than % of adults in the country think that healthy children should be required to be vaccinated. O B. The percentage of adults in the country who think that healthy children should be required to be vaccinated is not % OC. More than % of adults in the country think that healthy children should be required to be vaccinated. O D. % of adults in the country think that healthy children should be required to be…
- A simple random sample of 320 people who went trick-or-treating was selected, and it was determined that 64 out of these 320 people received fruit in addition to candy. Is the sample size large enough for the central limit theorem to apply?Read the scenario and decide which (if any) of the assumptions or conditions for using the Central Limit Theorem are violated. An appliance manufacturer stockpiles washers and dryers in a large warehouse. They currently have over 2500 washers and dryers in their inventory. Their goal is that no more than 2% of all appliances are damaged in storage. An inspector randomly selects 200 washers in its inventory and finds that 8 of them are damaged. Are any conditions violated? Group of answer choices Violates the Independent / Randomization condition (i.e. the sample is not random). Violates the Big Population condition (i.e. the population is not big enough) Violates the Large Sample condition (i.e. the sample is not large enough). Does not violate any condition or assumption.A medical researcher says that less than 82% of adults in a certain country think that healthy children should be required to be vaccinated. In a random sample of 300 adults in that country, 78% think that healthy children should be required to be vaccinated. At a = 0.10, is there enough evidence to support the researcher's claim? Complete parts (a) through (e) below. (a) Identify the claim and state Ho and H Identify the claim in this scenario. Select the correct choice below and fill in the answer box to complete your choice. (Type an integer or a decimal. Do not round.) YA. Less than 82 % of adults in the country think that healthy children should be required to be vaccinated. O B. The percentage of adults in the country who think that healthy children should be required to be vaccinated is not %. O C. More than % of adults in the country think that healthy children should be required to be vaccinated. O D. % of adults in the country think that healthy children should be required to…
- A medical researcher says that less than 86% of adults in a certain country think that healthy children should be required to be vaccinated. In a random sample of 400 adults in that country, 84% think that healthy children should be required to be vaccinated. At a=0.10, is there enough evidence to support the researcher's claim? Complete parts (a) through (e) below. (a) Identify the claim and state H, and H Identify the claim in this scenario. Select the correct choice below and fill in the answer box to complete your choice. (Type an integer or a decimal. Do not round.) O A. The percentage of adults in the country who think that healthy children should be required to be vaccinated is not % O B. Less than % of adults in the country think that healthy children should be required to be vaccinated. O C. More than % of adults in the country think that healthy children should be required to be vaccinated. O D. % of adults in the country think that healthy children should be required to be…A research center claims that at least 30% of adults in a certain country think that their taxes will be audited. In a random sample of 900 adults in that country in a recent year, 25% say they are concerned that their taxes will be audited. At a=0.01, is there enough evidence to reject the center's claim? Complete parts (a) through (e) below. (a) Identify the claim and state H, and H, a Identify the claim in this scenario. Select the correct choice below and fill in the answer box to complete your choice. (Type an integer or a decimal. Do not round.) % of adults in the country think that their taxes will be audited. OB. Less than % of adults in the country think that their taxes will be audited. irar C At least 30 % of adults in the country think that their taxes will be audited. D. The percentage of adults in the country who think that their taxes will be audited is not %. Copy ager Let p be the population proportion of successes, where a success is an adult in the country who thinks…A medical researcher says that less than 72% of adults in a certain country think that healthy children should be required to be vaccinated. In a random sample of 300 adults in that country, 70% think that healthy children should be required to be vaccinated. At a = 0.10, is there enough evidence to support the researcher's claim? Complete parts (a) through (e) below. (a) Identify the claim and state H, and H, Identify the claim in this scenario. Select the correct choice below and fill in the answer box to complete your choice. (Type an integer or a decimal. Do not round.) O A. More than % of adults in the country think that healthy children should be required to be vaccinated. В. % of adults in the country think that healthy children should be required to be vaccinated. O C. Less than % of adults in the country think that healthy children should be required to be vaccinated. %. O D. The percentage of adults in he country who think that healthy children should be required to be…
- A research center claims that 26% of adults in a certain country would travel into space on a commercial flight if they could afford it. In a random sample of 1000 adults in that country, 29% say that they would travel into space on a commercial flight if they could afford it. At a = 0.01, is there enough evidence to reject the research center's claim? Complete parts (a) through (d) below. (a) Identify the claim and state H, and H Identify the claim in this scenario. Select the correct choice below and fill in the answer box to complete your choice. (Type an integer or a decimal. Do not round.) O A. At least % of adults in the country would travel into space on a commercial flight if they could afford it O B. The percentage adults in the country who would travel into space on a commercial flight if they could afford it is not % C C. 26 % of adults in the country would travel into space on a commercial flight if they could afford it. O D. No more than % of adults in the country would…A research center claims that 31% of adults in a certain country would travel into space on a commercial flight if they could afford it. In a random sample of 800 adults in that country, 34% say that they would travel into space on a commercial flight if they could afford it. At a = 0.10, is there enough evidence to reject the research center's claim? Complete parts (a) through (d) below. (a) Identify the claim and state H, and H Identify the claim in this scenario. Select the correct choice below and fill in the answer box to complete your choice. (Type an integer or a decimal. Do not round.) O A. At least % of adults in the country would travel into space on a commercial flight if they could afford it. O B. % of adults in the country would travel into space on a commercial flight if they could afford it. %. O C. The percentage adults in the country who would travel into space on a commercial flight if they could afford it is not O D. No more than % of adults in the country would…A research center claims that at least 23% of adults in a certain country think that their taxes will be audited. In a random sample of 900 adults in that country in a recent year, 20% say they are concerned that their taxes will be audited. At a= 0.05, is there enough evidence reject the center's claim? Complete parts (a) through (e) below. (a) Identify the claim and state H, and H. Identify the claim in this scenario. Select the correct choice below and fill in the answer box to complete your choice. Type an integer or a decimal. Do not round.) O A. The percentage of adults in the country who think that their taxes will be audited is not %. C B. At least 23 % of adults in the country think that their taxes will be audited. O C. Less than % of adults in the country think that their taxes will be audited. OD. % of adults in the country think that their taxes will be audited. Let p be the population proportion of successes, where a success is an adult in the country who thinks that…