An Army Commanding Officer has a patrol duty roster for 2 combat team and flip a coin for any combat team that to go patrol duty, this coin may or may not be fair. The results of 30 patrol duty of the 2 combat team Blue (B) and Red (R) accrording to those coin are B B R B R B B R B B R B B R B R B B B R R R R R B B B B B R. Using the critical value approach, appropriate conclusion is ________. A) do not reject the null hypothesis; we cannot conclude the coin is not fair B) reject the null hypothesis; we can conclude the coin is not fair C) reject the null hypothesis; we cannot conclude the coin is not fair D) do not reject the null hypothesis; we can conclude the coin is not fair

Suppose you are the master of the mint. If you sample 200 coins and the king has set the error tolerance at 1 ounce for individual coins, and each coin should weight 1 ounce. What is the error in the sum of the 200 coins. Round to two places.

A survey found that in a sample of 100 families, 37 owned cats. A survey done 5 years ago found that in a sample of 80 families, 34 owned cats. At ? = 0.05 has the proportion of cat owners changed over the 5-year period?

Elaine is interested in determining if men are more satisfied in their jobs than women in the healthcare industry. She administers a job satisfaction questionnaire to 20 men and 20 women working in hospital administration. Her grouping variable is gender and dependent variable is job satisfaction. The job satisfaction scale consists of 8 items measured using a 5-point rating scale. A higher score on this scale would indicate high job satisfaction. The maximum score that can be obtained on the scale is 40. We can assume that job satisfaction scores are normally distributed. Use the appropriate T test with a significance level of 0.05 to test the hypothesis.   Research Question   Do the mean job satisfaction scores differ for men and women working in the hospital administration department?   Hypothesis- The mean job satisfaction scores do not differ for men and women working in the hospital administration department.   Write a Results section based on your analysis. Interpret results of…