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Secure https://www.mathxl.com/Student/PlayerHomework.aspx?homeworkld-4769220888q MATH 25-CO4 (Spring 2018) Homework: CH 3 HW (required) Save Score: 0 of 4 pts 40 of 95 (36 complete) w score: 26.49%, 40 3.2.23 Question Help In a sample of 1000 U.S. adults, 191 dine out at a resaurant more than once per week. Two U.S. adults are selected at random from the population of all U.S. adults without replacement. Assuming the sample is representative of all U.S. adults, complete parts (a) through (d). (a) Find the probability that both adults dine out more than once per week. The probability that both adults dine out more than once per week is Round to three decimal places as needed.) Enter your answer in the answer box and then click Check Answer Clear All An Type here to search

Explanation / Answer

p = 0.191

n = 2

P(X = 2) = 2C2 * (0.191)^2 * (1 - 0.191)^0

               = 0.036

            

   

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