Number of males among 100 Probability P-value ms/35 or fewer0.00240 or fewer0.02845 or fewer0.18448 or fewer0.3826. A random sample of 100 births includes 48-males babies. Is this result significant at the0.05 level? What is the P-value for this result?a = _0.05Keep the NULLP- value = 0, 38 .05Reject the NULL7. A random sample of 100 births includes 45 males babies. Is this result significant at th0.01 level? What is the P-value for this result?a = _0,01

Answered: Image /qna-images/answer/eb368071-d519-491d-ac78-3c68e4ba537e.jpg

Answered: Number of males among 100 Probability…

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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In the country of United States of Heightlandia, the height measurements of ten-year-old children are approximately normally distributed with a mean of 54.9 inches, and standard deviation of 4.7 inches.What is the probability that the height of a randomly chosen child is between 45.15 and 60.85 inches?
Using the dotplot and the proportion of winners in the store owner's sample, is there convincing evidence that the manufacturer's claim is wrong? A manufacturer of bottled tea runs a promotion in which consumers can win a free bottle of tea if the cap of the bottle says "Winner." The manufacturer claims that 1 in 5 bottles is a winner. A store owner Yes, because a proportion of 0.4 or more occurred 25 out of 100 times, the sample proportion of notices that several of the first bottles of tea sold were winners. Suspecting the manufacturer's claim is false, the store owner decides to randomly select 10 bottles of tea from the next shipment from the manufacturer. She is again surprised when 4 of the bottles are winners is statistically significant and there is convincing evidence that the manufacturer's claim is false. Yes, because a proportion of 0.4 or less occurred 75 out of 100 times, the sample proportion of winners. Assuming the manufacturer's claim is true, she simulates 100 values…
The correlation between self esteem and extraversion is .30. A sample of 84 is taken. (a) What is the probability that the correlation will be less than 0.10? (b) What is the probability that the correlation will be greater than 0.25?
PBS News Hour reported in 2014 that 39.4% of Americans between the ages of 25 and 64 have at least a two-year college degree.† Assume that 45 Americans between the ages of 25 and 64 are selected randomly. (a) What is the expected number of people with at least a two-year college-degree? (b) What are the variance and standard deviation for the number of people with at least a two-year college degree? (Round your answers to four decimal places.) variance= standard deviation=
The height of women ages 20-29 is normally distributed, with a mean of 64.8 inches. Assume o = 2.4 inches. Are you more likely to randomly select 1 woman with a height less than 65.7 inches or are you more likely to select a sample of 19 women with a mean height less than 65.7 inches? Explain. What is the probability of randomly selecting 1 woman with a height less than 65.7 inches? (Round to four decimal places as needed.) What is the probability of selecting a sample of 19 women with a mean height less than 65.7 inches? (Round to four decimal places as needed.) mean height less Are you more likely to randomly select 1 woman with a height less than 65.7 inches or are you more likely to select a sample of 19 women with than 65.7 inches? Choose the correct answer below.
The mean ACT composite score in a recent year is 20.8 with a standard deviation of 5.6. A random sample of 36 ACT composite scores are selected. What is the probability that the mean score for the sample is less than 21.6?
The amountof cashew nuts per packet (?), sold by a company,can be modelled usinga normal random variable with a mean of 115.0 grams and a varianceof 4.0 grams. Determine the probability that the amount of cashew nuts, in a randomly selected packetsold by this company,is: (a)more than 113grams; (b)between 117.5grams and 120grams.
the central limit theorem informs the numerator of the z- score for the sample means equation. true or false?
A local DMV (location of your choice) wanted to assess the number of mistakes that were made by its operators (aka clerks). One hundred samples were gathered from each of 20 operators (note: n = 100 for calculation of σp but you will need 100 * 20 to calculate p-bar). The results are shown in the table below. The DMV wants to set control limits to include 95% of the random variation. Operator # Number of errors Fraction defective Operator # Number of errors Fraction defective 1 6 11 6 2 5 12 1 3 0 13 8 4 1 14 7 5 4 15 5 6 2 16 4 7 5 17 11 8 3 18 3 9 3 19 0 10 2 20 4 Calculate p-bar and σp. Complete the fractions defective in chart. Compute the control limits and center line for a p-chart. Plot the fraction defective in a p-chart and decide if the performance of the operators is…
The height of women ages 20-29 is normally distributed, with a mean of 64.9 inches. Assume sigmaσequals= 2.6inches. Are you more likely to randomly select 1 woman with a height less than 67.4 inches or are you more likely to select a sample of 12 women with a mean height less than 67.4 inches? Explain. What is the probability of randomly selecting 1 woman with a height less than 67.4inches? round to four decimal places
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The mean ACT composite score in a recent year is 20.8 with a standard deviation of 5.6. A random sample of 36 ACT composite scores are selected. What is the probability that the mean score for the sample is (b) more than 19.8

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