Working two jobs: About 13% of employed adults in the United States held multiple jobs. A random sample of 74 employed adults is chosen. Use Excel asneeded.Part: 0 / 5Part 1 of 5(a) Is it appropriate to use the normal approximation to find the probability that less than 7.1% of the individuals in the sample hold multiple jobs? If so,find the probability. If not, explain why not.It (Choose one) ▼ appropriate to use the normal curve, since np=Skip PartCheckNO2W#00380F3YE4RCF$105LT(Choose one) ▼ 10.XGMacBook Air425Y7U8Save For LaterJ82023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | AccessibilityoloSubmit Assignment

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Dice. When one die is rolled, the number of spots show-ing has a mean of 3.5 and a standard deviation of 1.7. Suppose you roll 10 dice. What’s the approximate prob-ability that your total is between 30 and 40 (that is, the average for the 10 dice is between 3 and 4)? Specify themodel you use and the assumptions and conditions thatjustify your approach.
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please very soon full explanation. The time until first failure of a brand of ink jet printers is normally distributed with a mean of 1500 hours anda standard deviation of 160 hours. A large companybuys 4 such printers. What is the probability that the mean lifetime of the 4 printers is more than 1568 hours? Round to 3 decimal places.
K Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and those scores are normally distributed with a mean of 100 and a standard deviation of 15. Click to view page 1 of the table. Click to view page 2 of the table. G H The indicated IQ score, x, is (Round to one decimal place as needed.) Copyright ©2022 Pearson Education Inc. All rights reserved. Terms of Use | Privacy Policy Permissions 6 H U hp + ... 8 9 P 83°F 0.9 = Next Contact Us insert Ca 4 prt sc
← Listed below are systolic blood pressure measurements (mm Hg) taken from the right and left arms of the same woman. Assume that the paired sample data is a simple random sample and that the differences have a distribution that is approximately normal. Use a 0.05 significance level to test for a difference between the measurements from the two arms. What can be concluded? Right arm Left arm 148 174 In this example, μg is the mean value of the differences d for the population of all pairs of data, where each individual difference d is defined as the measurement from the right arm minus the measurement from the left arm. What are the null and alternative hypotheses for the hypothesis test? O A. Ho Hd = 0 H₁ Hd #0 OC. Ho Hd #0 H₁-Hd = 0 135 121 137 134 170 190 152 134 Identify the test statistic. (Round to two decimal places as needed.) Identify the P-value P-value = (Round to three decimal places as needed.) What is the conclusion based on the hypothesis test? Since the P-value is than…
Please do not give solution in image format thanku A production process manufactures electronic components with timing signals whose duration follows a normal distribution. A random sample of 7 components was taken, and the durations of their timing signals were measured. a. The probability is 0.10 that the sample variance is bigger than what percentage of the population variance? b. The probability is 0.05 that the sample variance is less than what percentage of the population variance?
please help answer in full its a big question
You are a consumer psychologist interested in holidy spending. A national census reports that the American family spent an average of μ = $81 for Halloween candy and costumes last year. A sample of N = 16 families this year produced a mean of $85 with s = 20 A) State your non-directional null and alternative hypothesis
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