Test atatisticc. Compute the p-value. (Round your answer to 4 decimal places.)p-valued. What is your decision regarding the null hypothesis?Reject the HO Do not reject the Hoe. At the 0.01 significance level, is there a difference in the mean number of times men and women order take-out dinners in a month?OYesO No A recent study focused on the number of times men and women who live alone buy take-out dinner in a month. Assume that thedistributions follow the normal probability distribution and the population standard deviations are equal. The information is summarizedbelow.StatisticSanple meanSanple standard deviationSample sizeMen25.24Wonen21.734.54375.5334At the 0.01 significance level, is there a difference in the mean number of times men and women order take-out dinners in a month?a. State the null and alternate hypotheses.O Ho: AMen " AWomeni H: HMen * IWomenHo: HMen JAWomen: H: HMen " WomenHo: PMen Womeni H HMen* AWomenb. Compute the test statistic. (Round your answer to 3 decimal places.)Test statistic

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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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Similar questions

what proportation of a normal distribution is located between each of the following z-score boundaries? a. z=-1.64 and z=+1.64 b. z=-1.96 and z=+1.96 c. z=-1.00 and z=+1.00
Company's salary is $50,000. Assume normal distribution with standard dev. being $6,000. Random sample of 30 workers, find these: Sample mean's salary is higher than $52,000. Sample mean's salary is lower than $48,000.
Rent for two-bedroom apartments in Davis, CA, follow a normal distribution with mean of $2,200 and standard deviation of $300. A random sample of 36 two-bedroom homes results in a mean $2,075. What is the probability that the sample mean is greater than or equal to $2,075?
What is the shape of the male life expectancy distribution? What is greater the mean or the median? Considering the histogram, do you think it’s unusual for a male to live over 86 years old ? Why or why not What is the probability for a random sample of 36 males, their mean age of death will be greater than 86? Would this sample be considered unusual?
The top-selling Red and Voss tire is rated 80000 miles, which means nothing. In fact, the distance the tires can run until wear- out is a normally distributed random variable with a mean of 92000 miles and a standard deviation of 8000 miles. A. What is the probability that the tire wears out before 80000 miles? Probability = Round to four decimals CS Scanned with CamScanner
Assume that annual incomes for certain workers are normal, with a mean of $28,500 and standard deviation of $2,400. What is the chance that 36 randomly selected employees earn more than $30,000 on average? Use a sampling distribution of sample means to calculate the standard error.
In a recent poll, 45% of survey respondents said that, if they only had one child, they would prefer the child to be a boy. Suppose you conducted a survey of 160 randomly selected students on your campus and find that 79 of them would prefer a boy. Complete parts (a) and (b) below. Click here to view the standard normal distribution table (page 1). LOADING... Click here to view the standard normal distribution table (page 2). LOADING... (a) Use the normal approximation to the binomial to approximate the probability that, in a random sample of 160 students, at least 79 would prefer a boy, assuming the true percentage is 45%. The probability that at least 79 students would prefer a boy is 3636. (Round to four decimal places as needed.)
The mean weight of Sumo wrestlers is 350 pounds with a standard deviation of 25 pounds. Assume the distribution of Sumo wrestler weights is unimodal and symmetric and the Empirical Rule applies. If a Sumo wrestler is randomly selected what is the probability they weigh less than 300 pounds? 50% 84% 16% 2.5%
The top-selling Red and Voss tire is rated 88000 miles, which means nothing. In fact, the distance the tires can run until wear- out is a normally distributed random variable with a mean of 72000 miles and a standard deviation of 7000 miles. A. What is the probability that a tire lasts more than 88000 miles? Probability = Round to four decimals CS Scanned with CamScanner
About 73% of the residents in a town say that they are making an effort to conserve water or electricity. One hundred residents are randomly selected. What is the probability that the sample proportion making an effort to conserve water or electricity is greater than 79%? Interpret your result. Assume the sampling distribution of sample proportions is a normal distribution. The mean of the sample proportion is equal to the population proportion and the standard pq deviation is equal to n The probability is (Round to four decimal places as needed.)
Costs for standard veterinary services at a local animal hospital follow a Normal distribution with a mean of $88 and a standard deviation of $24. What is the probability that one bill for veterinary services costs between $42 and $133?

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