subject
Mathematics, 24.04.2020 04:13 aaronjcerrato

According to a recent study, 80% of adults say they play games on their smartphone.
Suppose we randomly select 200 adults and find that 68% of the sample plays games on
their smartphone. Which of the following correctly describes the distribution for the
proportion of adults in the sample who play games on their smartphone?

A. pˆ ~ AN(0.68, 0.0330)
B. pˆ ~ AN(0.80, 0.0283)
C. pˆ ~ AN(0.80, 0.0330)
D. X ~ AN(160, 5.6569)

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 17:20
Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 – 0.2x = 9.1 d9.1 – 10 = 0.2x
Answers: 1
question
Mathematics, 21.06.2019 18:00
The administrator of a large assisted living facility wanted to know the average age of the residents living at the facility. he randomly selected 12 residents and determined their age, listed here: 80, 65, 75, 83, 68, 73, 88, 79, 94, 72, 79, 68 what's the average age of the sample of residents? a. 79 years old b. 68 years old c. 75 years old d. 77 years old
Answers: 1
question
Mathematics, 21.06.2019 18:50
Jermaine has t subway tokens. karen has 4 more subway tokens than jermaine. raul has 5 fewer subway tokens than jermaine. which expression represents the ratio of karen's tokens to raul's tokens
Answers: 1
question
Mathematics, 21.06.2019 19:10
If $740 is invested at an interest rate of 11% per year and is compounded continuously, how much will the investment be worth in 7 years? use the continuous compound interest formula a = pert.
Answers: 1
You know the right answer?
According to a recent study, 80% of adults say they play games on their smartphone.
Suppose w...
Questions
question
Mathematics, 27.08.2020 14:01
question
Mathematics, 27.08.2020 14:01
Questions on the website: 13722361