The random Variable is the crew size of a randomly selected shuttle mission. Its probability distribution is shown below. Complete parts a through c. X 2 4 5 6 7 8 C 0.187 0.431 0.006 P(X=x) 0.025 0.045 0.306 Interpret the mean. Select the correct choice below and fill in the answer box to complete your choice. (Round to three decimal places as needed.) A. The average number of persons in a shuttle crew is 5.947 person(s). OB. The most common number of persons in a shuttle crew is person(s). b. Obtain the standard deviation of the random variable. o= 1.157 (Round to three decimal places as needed.) c. Construct a probability histogram for the random variable; locate the mean; and show one-, two-, and three-standard-deviation intervals. Choose the correct histogram below. O Click here to view histogram d. O Click here to view histogram a. Click here to view histogram c. Click here to view histogram b. The mean is The one-standard-deviation interval is, the two-standard-deviation interval is, and the three-standard-deviation interval is (Type integers or decimals rounded to three decimal places as needed. Use ascending order.) Help me solve this View an example Get more help. Clear all Check answe MacBook Air

omework Assessment A Dashboard + ent/showtest.php The average final exam score for the statistics course is 76%. A professor wants to see if the average final exam score for students who are given colored pens on the first day of class is different. The final exam scores for the 12 randomly selected students who were given the colored pens are shown below. Assume that the distribution of the population is normal. 70, 60, 54, 59, 73, 87, 52, 86, 56, 75, 52, 73 What can be concluded at the the a=0.10 level of significance level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Ho: ?v ?v H1: ? ?v c. The test statistic ?v= (please show your answer to 3 decimal places.) d. The p-value : (Please show your answer to 4 decimal places.) e. The p-value is ? a f. Based on this, we should Select an answer v the null hypothesis. g. Thus, the final conclusion is that ... O The data suggest the population mean is not significantly…

The top 16 winning scores for NFL games are listed below. Find the mean score.   Video Tutorial: How to find the mean on a TI-84   72 54 52 54 70 51 56 58 58 52 51 63 51 48 52 61     A. 54   B. 57.1   C. 63.2   D. 56.4