Claim: 68% of workers indicate that they are mildly dissatisfied with their job. Express the null and alternative hypotheses in symbolic form for this claim

​Claim: A minority of adults would erase all of their personal information online if they could. A software firm survey of 688 randomly selected adults showed that 37​% of them would erase all of their personal information online if they could. Complete parts​ (a) and​ (b) below. dentify the null and alternative hypothese

Support for the U.S. death penalty for convicted murderers was 63% in 2014 (Gallup poll results 2018). In a recent survey of 150 randomly selected U.S. adults, 75 said they were in favor of the death penalty for those convicted of murder. Does this sample appear to come from a population with a lower proportion in favor of the death penalty?   a) State the null and alternative hypotheses in words.  b) State the null and alternative hypotheses using symbols.  c) What type of test is this?

A golf instructor claims that more than 70% of his students have improved their driving distance by at least 20 yards after viewing and applying the techniques described in his instructional video. If 138 out of 180 viewers say that their driving distance has improved by at least 20 yards, is the instructor's claim valid? Identify the null and alternative hypotheses for this scenario. Is the instructor's claim that "more than 70% of his students have improved their driving distance by at least 20 yards," valid? Your response should include your decision and conclusion in context of the scenario.

a)  Carefully define the null and alternative hypotheses of the ?2 test of the above table.  b)  Find the missing values ‘*’, ‘**’, ‘***’ ??, ???  c)  What is the conclusion of this test? Give reasons for your answer.

A survey found that 55% of college professors believe that their online education courses are as good as or superior to courses that use traditional face-to-face instruction. Give the null hypothesis for testing the claim made by the survey. ... Ho: p (Type an integer or a decimal.)

Are freshmen psychology majors more likely to change their major before they graduate compared to freshmen business majors? 355 of the 619 freshmen psychology majors from a recent study changed their major before they graduated and 356 of the 679 freshmen business majors changed their major before they graduated. What can be concluded at the  = 0.10 level of significance? For this study, we should use        The null and alternative hypotheses would be:                        (please enter a decimal)                     (Please enter a decimal) The test statistic     =  (please show your answer to 3 decimal places.) The p-value =  (Please show your answer to 4 decimal places.) The p-value is      Based on this, we should      the null hypothesis. Thus, the final conclusion is that ... The results are statistically insignificant at αα = 0.10, so there is statistically significant evidence to conclude that the population proportion of freshmen psychology majors who change their major…

16% of workers got their job through internet resume sites. Express the null and alternative hypotheses in symbolic form for this claim (enter as a percentage).

Dr. Moo conducted a research project in which she compared the impact of two types of therapy (pizza therapy and chocolate therapy) and gender on college students’ happiness. How many null hypotheses did she have, and how would you write them?

The mean weight of male aerobics instructors in a certain city is less than 185 lbs. Express the null and alternative hypotheses in symbolic form for this claim.