Math-11-85989-FA17 Elementary Statistics Homework: Section 3.2 Homework Score:0

Question

Math-11-85989-FA17 Elementary Statistics Homework: Section 3.2 Homework Score:0 of 1 pt 3.2.23 HW Score: 366796, 367 oft opts in a sample of 1100 U.S aduts, 217 dine out at a resaurant more than once per week Two U.S aduts are selected at random from the population of all U.S aduts wthout replacement Assuming the sample isrepresentativ. of aus adcomplete parts (a) Prough (d) (a) Find the probability hat both adults dine out more than once per week The pobabity that both adits dire out more than once per week.] Round to hree decimal places as needed

Explanation / Answer

X = k follow hyper geometric distribution

n = 1100 ,

P(X=2) = 210C2/1100C2

= 217*216 /(1100*1099)

= 0.03877243

= 0.039

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