Consider the following data: X 7 8 9 10 11 P(X = x) 0.1 0.1 0.3 0.1 0.4 Step 1 of 5: Find the expected value E(X). Round your answer to one decimal place.

Find the mean hourly cost when the cell phone described above is used for 240 minutes.

What does the y -intercept on the graph of a logistic equation correspond to for a population modeled by that equation?

Worker1 Worker2 Worker3 14.84 1 IT Help Desk Questions 2 26.57 10.08 3. 24.89 18.32 19.61 The IT Help Desk supervisor from the last homework is analyzing the data collected about the mean time it takes for each Help Desk worker to solve a walk-in problem. 4 18.8 12.95 12.82 21.87 20.21 18.52 25.28 20.57 17.35 7 18.75 14.8 15.5 The supervisor believes that most walk-in problems would take at least 5 minutes but should be solved in less than 30 minutes. On 8. 23.82 18.33 13.39 9. 27.34 25.77 19.46 average, student workers should take only 15 minutes to solve any walk-in problem or decide to refer the customer to a senior IT Help Desk employee. 10 21.06 13.57 16.08 11 24.48 16.52 18.51 12 26.9 21.12 14.37 The file ITtimes.csv contains data recorded times for three 13 27.78 17.77 19.87 different student workers. For each worker, 25 walk-ins were randomly selected from last month's working hours. Remember, most statistical methods require a random sample from the population of interest. 14…