Solve the problem.On a multiple choice test with 17 question…

Solve the problem.On a multiple choice test with 17 questions, each question has four possible answers, one of which is correct. For students who guess at all answers, a) Find the mean for the number of correct answers. Round the answer to the nearest tenth.  (3pts) b) Find the standard deviation for the number of correct answers. Round the answer to the nearest tenth.   (3pts)

Find the indicated probability. (3pts) The table below shows…

Find the indicated probability. (3pts) The table below shows the soft drinks preferences of people in three age groups. Cola Root beer Lemon-Lime Under 21 years of age 40 25 20 Between 21 and 40 35 20 30 Over 40 years of age 20 30 35   If one of the 255 subjects is randomly selected, find the probability that the person is over 40 years of age.

Listed below are the amounts of time (in months) that the em…

Listed below are the amounts of time (in months) that the employees of a restaurant have been working at the restaurant. Find the mean.1     5     6      8      11      14       17      46     61     90     99    126    143    167   Write the calculator command or formula for each answer. Round the answer to the nearest tenth if necessary.  a) Find the mean of the data (2pts)  b) Find the standard deviation of the data (2pts)  c) Find the variance of the data (2pts)  d) Find the median of the data (2pts)  e) Find the mid-range of the data (2pts)  f) Find the range of the data (2pts)  g) Find the minimum usual value and the maximum usual value (4pts)  h) Find the amount of time (in months) corresponding to 85 percentile. Interpret the result (4pts)  i) Find the percentile that corresponds to 46 months of working at the restaurant (2pts)