A quick quiz consists of 44 multiple choice problems, each of which has 66 answers, only one of which is correct. If you make random guesses on all 44 problems, (a)  What is the probability that all 44 of your answers are incorrect? answer:  (b)  What is the probability that all 44 of your answers are correct? answer:

Q: Find the variance for the given data. Round your answer to one more decimal place than the original…

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Q: person would need to be in each of the following top percentages. (a) 3% (b) 9%

A: It is given that  Mean, μ = 100 Standard deviation, σ = 11

Q: Use the data in the following table, which lists drive-thru order accuracy at popular fast food…

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Q: A study reported that about half of young adults continue to text and drive, despite the dangers. To…

A: According to the given question, the population parameter(P) is: The proportion of young adults who…

Q: A research study was conducted to examine the clinical efficacy of a new antidepressant. Depressed…

A: There are three independent samples which are Placebo, Low Dose and MODERATE Dose. We have to test…

Q: The accompanying data are the weights (kg) of poplar trees that were obtained from trees planted in…

A: Given information: The data represents the weights of poplar trees that were obtained from trees…

Q: Ho: The data_follows the Poisson distribution with = 2.4125 do not follow the Poisson distribution…

A: Test is that whether the number of bacterial colonies per field follows Poisson distribution with…

Q: The principle of redundancy is used when system reliability is improved through redundant or backup…

A: Daily failure rate for clock = 12.2% Probability that clock will not work on the morning of an…

Q: The principle of redundancy is used when system reliability is improved through redundant or backup…

A: given data19.2% daily failure rateP(not work on the morning of important exam) = ?

Q: Anita's, a fast-food chain specializing in hot dogs and garlic fries, keeps track of the proportion…

A: From the given Data we can see n=50,p=0.48 a) Let x be the number of customers who order their food…

Q: If only a small percentage of people who received a survey completed it, what sampling issue would…

A: Random assignment is method to reduce the sampling selection bias.

Q: As part of a project for a statistics class, a student collects data on wristwatch accuracy. The…

A: Given that ,Data on wristwatch accuracy X: 140, -125, 105, -241, -85, 41, 186 Find sample median,…

Q: what does being in the 60th percentile mean?

A: Given that 60th percentile   Let a student got 60th percentile in a exam

Q: 1. Two methods are used to measure a variable. The mean of method 1 is 88.6 with a variance of…

A: Given information: There are two methods. x¯1=88.6s12=109.63n1=41x¯2=85.1s22=65.99n2=21 The level of…

Q: A box contains 'a' white and 'b' black balls. 'c' balls are drawn at random. Find the expected value…

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Q: K Based on a survey, 36% of likely voters would be willing to vote by internet instead of the…

A: Given Sample size n=15, let p be the probability of likely voters would be willing to vote by…

Q: but the average speed that people go is 59 mph with a SD of 4 mph. A speed monitor records the…

A: Given that  Mean = M = 59 , Standard deviation = SD = 4

Q: Create a 95% confidence interval for the population proportion of Orange candies.  sample size is…

A: From the provided information, Confidence level = 95% Sample size (n) = 30 Point estimate (p̂) =…

Q: Show that for +-distribution with n'dof., about meath 13 given by: √n [[(1-1)/2] / √5564/2 mean…

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Q: Hypertension A doctor diagnoses a patient as hypertensive and prescribes an antihypertensive…

A: Given information: The x follows a normal distribution with parameters. Mean (µ)=125 mm Hg Standard…

Q: Based on a poll, 63% of Internet users are more careful about personal information when using a…

A: given data P(more careful about personal information) = p = 0.63∴P(not careful about personal…

Q: Let X and Y be independent standard normal variates. Obtain the m.g.f. of XY.

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Q: Based on a survey, 36% of likely voters would be willing to vote by internet instead of the…

A: From the provided information, 36% of likely voters would be willing to vote by internet instead of…

Q: According to the U.S. Census Bureau, 18% of U.S. households are in the Northeast and about 5.6% of…

A: GIVEN DATA  P(northeast) = 0.18 P(earn more than $75000 |northeast) = 0.056 find P(earn more than…

Q: Define the random variable and its distribution. Compute for the variable or measure asked for. Show…

A: It is given that the number of bacteria in a 1 mL solution follows a Poisson distribution with mean…

Q: Fill in the "Years since 1970" column for the data to the right. Make a scatter plot in Excel of the…

A: Since you have asked posted a question with multiple sub-parts, we will solve the first three…

Q: 1 2 3 4 5 SUM X 2 3 5 7 9 Y 21 17 16 12 11 xy x + x² EN y The correlation coefficient is (round to…

A: Given that  X Y 2 21 3 17 5 16 7 12 9 11

Q: (a) Estimate the number of cards in the sample for which Clara correctly guesses the suit by giving…

A: From given data we have : n=14 p=13/52=0.25 q=1-0.25=0.75 it is a case of binomial distribution…

Q: A jar contains 6 red marbles, numbered 1 to 6, and 10 blue marbles numbered 1 to 10. a) A marble is…

A: a) The jar contains 6 red marbles, numbered 1 to 6.

Q: Fill out the table below: 1 2 3 r = 4 5 SUM X 3 4 9 4 2 + Y 19 24 14 20 16 xy Find the correlation…

A: Given:

Q: Use the data in the following table, which lists drive-thru order accuracy at popular fast food…

A: From the provided information,1103   A B C D Total Order Accurate 330 268 240 135 973 Order…

Q: Write the equation of the least-squares regression line defining any variables used. Round…

A: 5. It is needed to find the regression equation.

Q: Task 2 Use function to calculate Computer Skills. Both skills Yes: show "Sufficient", only one…

A: Introduction  Excel will be used to create the required function. It is used for formatting,…

Q: Let Y be a random variable with the following probability distribution: p(y) = y/6 for y = 1; 2; 3…

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Q: Based on the sample data set, 31 13 24 23 10 28 67 find the lower fence and upper fence. Lower Fence…

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Q: A binomial experiment with próbability of success p=0.21 and n=11 trials is conducted. What is the…

A: Given thatp = 0.21n = 11 Here we will use binomial distribution because probability of success is…

Q: One die is rolled. List the outcomes comprising the following events: (make sure you use the correct…

A: Given that  One die is rolled  Sample space = {1,2,3,4,5,6}

Q: 48. Suppose the temperature of healthy humans is approximately normal with a mean of 98.6 degrees…

A: It is given that  Mean, μ = 98.6 Standard deviation, σ = 0.8   Note: According to Bartleby expert…

Q: Suppose that shoe sizes of American women have a bell-shaped distribution with a mean of 8.06 and a…

A: Given data,bell shaped distribution μ=8.06σ=1.52percentage of women have shoe sizes that are less…

Q: Before every flight, the pilot must verify that the total weight of the load is less than the…

A: From the provided information, Mean (µ) = 179.4 pounds Standard deviation (σ) = 38.6 pounds X~N…

Q: What is the probability that a dolphin group is around in the evening or is partaking in…

A: Given: number of groups of dolphins that were partaking in an activity at certain times of days is…

Q: A student rolls a fair die 10 times and obtained an even number 10 times. The student believes that…

A: It is stated that for 10 consecutive rolls of a die, the outcomes are obtained as an "even number".…

Q: Suppose a simple random sample of size n=1000 is obtained from a population whose size is…

A: Here is given that, sample is 1000 and proportion is 0.58. We will use binomial distribution to find…

Q: What is the anticipated financial benefit or loss for the firm on each contract if the warrantee…

A:

Q: Every cereal box has a gift inside, but you cannot tell from the outside what the gift is. The store…

A: given data   17 - have secret decodering 39 - have different gifts __________________________ 56 -…

Q: been answered

A: Placebo Low Dose Moderate Dose 38 22 14 47 19 26 39 8 11 25 23…

Q: FALL QUARTER 2017 Letter Grade Credits F 3 2 5 5 Course CHEM 140 CHEM 141 ENGL 101 MATH&151 D B…

A: First,  Write down data for grade point values from table according to required letter grade ( FALL…

Q: The table below shows the types of defects and their frequency in plastic bottles for motor oil in…

A: Given the table shows the types of defects and their frequency in plastic bottles for motor oil in…

Q: The standard error for the estimate is used in tests for a significant relationship between two…

A: Given :

Q: I'm trying to forecast how many TVs my shop will sell in 2021. I have data for the previous 3 years:…

A: It is given that the forecast method for 2019 is 35.