In a hypothesis test with hypotheses H0 :pless than or greater than 0.58  and H1 >0.58 , a random sample of size 1,165 produced a sample proportion of 0.6160. The test is to be made at the 2.5% significance level.   What is the value of the test statistic, z, rounded to three decimal places?

Q: In a clinical trial, 26 out of 896 patients taking a prescription drug daily complained of flulike…

A: Given that,  Probability, p0= 2.5% = 0.025  And sample size is n= 896  Then np0(1-p0)=…

Q: We want to use a sample of size 20 to perform a two-tailed hypothesis test. Using d=0.05 and…

A: Solution-: Given:  sample size, n=20,α=0.05 Perform two tailed hypothesis We find the critical…

Q: in preparation for a simulation model, a KS test has been used to check the goodness-of-fit of a…

A: Kolmogorov-Smirnov test is used for determining the sample for checking the normality.  F(x) =…

Q: In a hypothesis test with hypotheses Ho:u = 90 and H1: 90, a random sample of 16 elements selected…

A:

Q: A biologist was interested in determining whether specific seedlings treated with a new fertilizer…

A: Given claim: new fertilizer resulted in a higher than average height than the standard height of…

Q: Is the proportion of wildfires caused by humans in the south higher than the proportion of wildfires…

A: a. Denote p1, p2 as the true population proportions of wildfires caused by human in south and west,…

Q: In a clinical trial, 22 out of 852 patients taking a prescription drug daily complained of flulike…

A: Given that, x = 22, n =852

Q: A computer manufacturer believes that the proportion of hardware malfunctions is different in humid…

A: Solution: The given claim is that the proportion of hardware malfunction is different in humid…

Q: / Consider the following hypothesis test :         H0:μ 65        Ha:μ 65

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: In a hypothesis test with hypotheses H.:p50.58 and H,: p > 0.58 , a random sample of size 900…

A: Given Data; p^=0.6n=900 p=0.58

Q: In a clinical trial, 17 out of 830 patients taking a prescription drug daily complained of flulike…

A:

Q: Recently, a large academic medical center determined that 8 of 19 employees in a particular position…

A: Solution: Given data X = 8 n =19 Pi = .54 Level Of significance = 0.05

Q: In a clinical trial, 18 out of 839 patients taking a prescription drug daily complained of flulike…

A: The hypothesized proportion is 0.016.

Q: In the last mayoral election in a large city, 53% of the adults over the age of 65 voted Republican.…

A: In the last mayoral election in a large city, 53% of the adults over the age of 65 voted Republican.…

Q: In a clinical trial, 18 out of 820 patients taking a prescription drug daily complained of flulike…

A: The given data is, x=18, n= 820 , p0=0.017, α =0.01 The hypothesis is, H0: p=0.017 VS H1: p >…

Q: From a sample of 14 observations, an analyst calculates a t-statistic to test a hypothesis that the…

A:

Q: In a completely randomized experimental design, three brands of paper towels were tested for their…

A: Anova: Single Factor                   SUMMARY         Groups Count Sum Average Variance x 4…

Q: A computer manufacturer believes that the proportion of hardware malfunctions is different in humid…

A: From the provided information,

Q: In a clinical trial, 23 out of 870 patients taking a prescription drug daily complained of flulike…

A: Givenn=870x=23p^=xn=23870=0.0264α=0.01

Q: In a clinical trial, 18 out of 864 patients taking a prescription drug daily complained of flulike…

A: Here we have to fill the boxes from given information

Q: In a hypothesis test with hypotheses Ho:H = 90 and H1:H # 90, a random sample of 16 elements…

A:

Q: Q1/Consider the following hypothesis test :         H0:μ 65        Ha:μ 65 A sample of size 15…

A:

Q: According to a certain government agency for a large country, the proportion of fatal traffic…

A:

Q: In a clinical trial, 19 out of 864 patients taking a prescription drug daily complained of flulike…

A: The sample size is 864, population proportion is 0.019. Checking condition:

Q: what is the critical value of a single sample t-test based on n=23, and a two-tailed alpha of a=0.05

A:

Q: Test the claim that the proportion of people who are confident is larger than 60% at the 0.01…

A: here given ,  A well-known brokerage firm executive claimed that 60% of investors are currently…

Q: In a clinical trial, 21 out of 650 patients taking a prescription drug complained of flulike…

A:

Q: In a clinical trial, 24 out of 855 patients taking a prescription drug daily complained of flulike…

A: given that, p=0.023 n=855 α=0.05

Q: In a separate experiment, a significance test was performed to test the null hypothesis `H_o`: `\mu`…

A: From the provided information, Sample size (n) = 81 The hypotheses are as follow: H0: µ = 24.56 Ha:…

Q: 9. A study was conducted to determine if the proportion of cars in a given area that do not meet…

A: here given  H0 : P=0.08 H1 : P≠0.08 α=0.05

Q: In a clinical trial, 20 out of 880 patients taking a prescription drug daily complained of flulike…

A: Given,n=880x=20p^=xnp^=20880=0.0227α=0.05

Q: In exploring possible sites for a convenience store in a large neighbourhood, the retail chain wants…

A: Determine whether the given margin of error is appropriate if  the random sample of size n = 100…

Q: In a hypothesis test with hypotheses Ho : p= 0.26 and H1 :p+ 0.26, a random sample of size 771…

A: Given Information n = 771 Hypothesized proportion = 0.26 Sample proportion = 0.2450 Hypothesis: H0­…

Q: In a one-sided hypothesis test for the mean, in a random sample of size 10 the t-score of the sample…

A:

Q: In a clinical trial, 20 out of 880 patients taking a prescription drug daily complained of flulike…

A: Given,n=880x=20p^=xnp^=20880=0.0227α=0.05

Q: In a hypothesis test with hypotheses Ho: μ ≤  54 and H1: μ > 54, a random sample of 24 elements…

A: Consider that μ is the population mean.

Q: In a clinical trial, 18 out of 842 patients taking a prescription drug daily complained of flulike…

A: There is always some contention about the value of a parameter or the relationship between…

Q: The manufacturer of a new antidepressant claims that, among all people with depression who use the…

A: The random variable is people who find relief from depression. The population proportion is 65%. The…

Q: In a clinical trial, 26 out of 886 patients taking a prescription drug daily complained of flulike…

A: The value of p0 is 0.026 and the sample size n is 800.

Q: In a hypothesis test with hypotheses Ho : µ = 90 and H1 : µ # 90, a random sample of 16 elements…

A:

Q: 6) A sample of size 11 produced a variance of 18. Is this sufficient to reject the null hypothesis…

A:

Q: A manufacturer of nickel-hydrogen batteries randomly selects 100 nickel plates for test cells,…

A: Given P=0.10 x=14 n=100

Q: In a hypothesis test with hypotheses Ho : p > 0.76 and Hı:p < 0.76, a random sample of size 974…

A: Here we have to test: H0: p≥0.70H1: p&lt;0.76n=974p^=0.7380α=0.05

Q: In a random sample of 320 cars driven at low altitude, 40 of them exceeded the standard 10 grams of…

A: Solution: It is required to find the test statistic. The formula for finding the test statistic is:…

Q: In a clinical trial, 25 out of 869 patients taking a prescription drug daily complained of flulike…

A:

Q: In a hypothesis test with hypotheses Ho : µ = 24 and H1 : µ # 24, a random sample of 38 elements…

A: The given sample has a size n=38, the sample mean is x¯=26 and the population standard deviation is…

Q: In a clinical trial, 23 out of 873 patients taking a prescription drug daily complained of flulike…

A: p0  = 0.022 1-p0 = 0.978 n = 873

Q: A well-known brokerage firm executive claimed that 50% of investors are currently confident of…

A: Given:

Q: A well-known brokerage firm executive claimed that 90% of investors are currently confident of…

A:

Q: In a hypothesis test with hypotheses Ho : p 2 0.31 and H1 :p < 0.31, a random sample of size 519…

A: Here, H0: p ≥ 0.31 Vs Ha: p &lt; 0.31, Here, the sample size is, n = 519; sample proportion,…

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.