1.For a given level of significance, if the sample size is increased but the summary statistics remain the same, the probability of committing a Type I error will decrease.

TrueFalse

2.The percentage of Texans not covered by health care insurance in 2019 was 15%. Let p denote the proportion of those not covered by health care insurance in Texas in 2020. We would like to test the hypotheses H subscript 0 colon p less or equal than 0.15 space v s. space H subscript a colon space p greater than 0.15 using a random sample of 100 Texans. The percentage of those who do not have health care insurance in the sample is 20%.

What is the value of the test statistic?

0.95

1.4

1.25

2.25