Claim: fewer than 93% of adults have a cell phone. in a reputable poll of 1021 adults, 88% said that they have a cell phone. find the value of the test statistic. the value of the test statistic is nothing. (round to two decimal places as needed.)

-6.26

Step-by-step explanation:

Test statistic for population proportion is given by :-

, where p = population proportion.

= sample proportion.

n= sample size.

As per given , we have

n= 1021

Then, the test statistic will be :-

Hence, the value of the test statistic is -6.26 .

answer: .64

step-by-step explanation

set up the formula for standard deviation for this set of numbers, then simplify

correct answer:

b.(19,-2)