A ballet instructor is interested in knowing what percent of each year's class will continue on to the next, so that she can plan what classes to offer. Over the years, she has established the following probability distribution. • Let X = the number of years a student will study ballet with the teacher. • Let P(x) = the probability that a student will study ballet x years. Complete the table below using the data provided. (Enter exact numbers as integers, fractions, or decimals.) P(x) x*P(x) 1 0.10 2 0.10 0.10 4 0.30 6. 0.20 7 0.05 Additional Materials M Reading

The table below shows the probability distribution of job satisfaction scores (1 - 4) for a group of senior executives. A score of 1 indicates a strong dissatisfaction with their jobs; a score of 4 indicates a strong satisfaction with their jobs.Note that you must complete both parts a. and b. to receive any marks for the remaining parts of this question.a. Complete the missing value in the following table. Round to at least FIVE decimals if necessary. Job Satisfaction Score Probability of Score 1 0.2 2   3 0.27 4 0.26 b. What is the expected job satisfaction score for this group of senior executives?Answer:  Do NOT round your answer!c. What is the standard deviation of the job satisfaction score for this group of senior executives?Answer:  Round to at least FIVE decimals if necessaryd. Suppose a senior executive expects to earn an additional 4350 dollars per year for each job satisfaction score point. The executive also will receive a fixed 250 dollar yearly raise and…

If the probability that a randomly chosen college student takes statistics is 0.75, then what is the probability that a randomly chosen college student does not take statistics? Give your answer as a decimal.

The time to fly via a commercial airliner from Newark airport to Atlanta follows a uniform distribution and ranges from 120 minutes to 140 minutes. What is the probability that a flight is more than 128 minutes?  Express answer as a percent with 1 decimal

The table summarizes results from 984 pedestrian deaths that were caused by automobile accidents. DriverIntoxicated? Pedestrian Intoxicated? Yes No Yes 60 86 No 252 586 If two different pedestrian deaths are randomly selected, find the probability that they both involved drivers that were intoxicated. Report the answer as a percent with two decimal places accuracy. (You need not enter the "%" symbol).Probability = %

27% of all college students major in STEM (Science, Technology, Engineering, and Math). If 49 college students are randomly selected, find the probability that exactly 14 of them major in STEM.  Round to 4 decimal places.       ?

In a recent year, there were 2,515,458 deaths, and 787,650 of them were due to cardiovascular disease. The cause-of-death ratio is expressed as follows: If three of the deaths are randomly selected, find the probability that none of them are due to cardiovascular disease. Round off to 3 decimal

The probability that a house in an urban area will develop a leak is 6​%. If 13 houses are randomly​ selected, what is the probability that none of the houses will develop a​ leak? Round to the nearest thousandth.

At a particular college 19 percent of the students major in Business. All Business majors are required to take a Statistics Course. Of the students not majoring in Business, 42 percent of them still have to take a Statistics Course. What is the probability that a student has to take a Statistics Course at this particular college? Type your anser as a decimal to 4 decimal places.

A company conducting a survey to determine how prepared people are for a long-term power outage, natural disaster, or terrorist attack. The frequency distribution on the right shows the results. Use the table to answer the questions. what is the probability that the next person surveyed is very prepared?