A survey of a random sample of 1,045 young adults found that 60 percent do not have a landline telephone number. A hypothesis test will be used to determine whether the data provide convincing statistical evidence that more than 50 percent of all young adults do not have a landline telephone number. What is the test statistic for the appropriate test?

Test statistic for the appropriate test is 6.598.

Step-by-step explanation:

We are given that a survey of a random sample of 1,045 young adults found that 60 percent do not have a landline telephone number.

We have to test the hypothesis that whether the data provide convincing statistical evidence that more than 50 percent of all young adults do not have a landline telephone number.

Let Null Hypothesis, : p 0.50  {means that less than or equal to 50 percent of all young adults do not have a landline telephone number}

Alternate Hypothesis, : p > 0.50  {means that more than 50 percent of all young adults do not have a landline telephone number}

The test statistics that will be used here is One-sample proportion test;

                T.S. = ~ N(0,1)

where, = % of young adults who do not have a landline telephone number

                      in a sample of 1,045 young adults = 60%

           n = sample of young adults = 1,045

So, test statistics =  

                            = 6.598

Hence, the test statistic for the appropriate test is 6.598.

the equation cos(35) =a/25 can be used to find the length of bc what is the length of bc? round to the nearest tenth

step-by-step explanation:

x > 1.3

step by step:

8.5−0.9x> 9.8−1.9x

step 1: simplify both sides of the inequality.

−0.9x+8.5> −1.9x+9.8

step 2: add 1.9x to both sides.

−0.9x+8.5+1.9x> −1.9x+9.8+1.9x

1x+8.5> 9.8

step 3: subtract 8.5 from both sides.

1x+8.5−8.5> 9.8−8.5

1x> 1.3

step 4: divide both sides by 1.

1x/1 > 1.3/1