If a hypothesis test in a CRD is performed at the 1% level, and the output from Excel shows a P-value = 0.0152, then you will reject the null hypothesis. True False

Find the p-value for a two-tailed test, where z= -1.68

A high p-value, such as 0.8, provides evidence to say the null hypothesis is true. This statement is true. O This statement is false.

(e) If the researcher decides to test this hypothesis at the x = 0.05 level of significance, will the researcher reject the null hypothesis? Yes O No

Dreamfilms Studios boasts that its summer features are so good that at least half of all tickets sold one summer are for its films. A competing studio claims that less than half of all tickets sold are for Dreamfilms' movies. After the hypothesis test is completed, the conclusion is to fail to reject the null hypothesis. If the true percentage of tickets sold for Dreamfilms Studios' movies that summer was only 48%, was an error committed? If so, what type?

A statistical test is designed to show that the mean u is different from 100, state the null hypothesis (Ho) and the alternative hypothesis (Ha) to be tested.

A psychologist specializing counseling claims that, among all married couples, the proportion  p for whom her communication program can prevent divorce 79% . In a random sample of 240 married couples who completed her program, 174 of them stayed together. Based on this sample, can we reject the psychologist's claim at the 0.1 level of significance   The null hypothesis:  H0: ___ The alternative hypothesis: H1: ___ The type of test statistic: (Choose one) ___ The value of the test statistic: (Round to at least three decimal places.) ______ The p-value: (Round to at least three decimal places.) _____   Can we reject psychologist’s claim that the Proportion of married couples for whom her Program can prevent divorce is a least 79%?  Yes ____ or NO____

If one rejects the null hypothesis at the 5% level, then there is a 5% chance that you made the wrong decision. True /False