It is known that roughly 2/3 of all human beings have dominant right foot or eye. Is there also right-sided dominance in kissing behavior? An article reported that in a random sample of 112 kissing couples, both people in 69 of the couples tended to lean more to the right than to the left. (Use a = 0.05.)USE SALT(a) If 2/3 of all kissing couples exhibit this right-leaning behavior, what is the probability that the number in a sample of 112 who do so differs from the expected value by at least as much as what was actually observed? (Round your answer to four decimal places.)(b) Does the result of the experiment suggest that the 2/3 figure is implausible for kissing behavior?State the appropriate null and alternative hypotheses.O Ho: P = 2/3Haps 2/3Ho: P = 2/3H₂:p> 2/3Ho: P = 2/3H₂: P < 2/3ⒸHO: P = 2/3H₂: P = 2/3Calculate the test statistic and determine the P-value. (Round your test statistic to two decimal places and your P-value to four decimal places.)P-value =

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Answered: Hol P = 2/3 H₂P* 2/3 Calculate the test…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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You are testing the claim that the proportion of men who own cats is smaller than the proportion of women who own cats. You sample 140 men, and 65% own cats. You sample 60 women, and 40% own cats. Find the test statistic, rounded to two decimal places. 9 € Priv Terr Submit Question Type here to search Esc 4x F1 F2 F3 # N F4 69 F5 da x D
t-test 5. At a local university, English instructors are supposed to grade essays in a class so that the average is exactly 75 points. When 22 random essays were drawn from a large English lecture, the average grade given was 79.1, with s = 6.5. Can we say that this professor is not grading according to the 75 point standard? 6. A marketing company wants to find the average age of employees within a large computer firm. They believe that the average age is 27 years old. After sampling 13 people, they report the following ages: 23 25 31 42 27 35 38 22 28 40 19 26 29 Can they say that their claim is correct? (Use a = .01)

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Hol P = 2/3 H₂P* 2/3 Calculate the test statistic and determine the P-value. (Round your test statistic to two decimal places and your P-value to four decimal places.) P-value=