A company wants to evaluate its attrition rate. In other words, how long new hires stay with the company.Over the years, they have established the following probability distribution.Let X = the number of years a new hire will stay with the company.Let P(x) = the probability that a new hire will stay with the company x years.IP(x)00.1210.1820.330.154???50.160.05Find the probability that a new hire will stay with the company for 4 years.P(x = 4) =Find the probability that a new hire will stay with the company for at least 5 years.P(x ≥ 5) =On average, how long would you expect a new hire to stay with the company?years

Let X = the number of years a new hire will stay with the company Let P(x) = the probability that a…

Answered: A company wants to evaluate its…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Suppose that you are offered the following "deal." You roll a six sided die. If you roll a 6, you win $9. If you roll a 3, 4 or 5, you win $3. Otherwise, you pay $2. a. Complete the PDF Table. List the X values, where X is the profit, from smallest to largest. Round to 4 decimal places where appropriate. Probability Distribution Table P(X) -2 2/6 3 3/8 0.16
Mean of a prob distr.
The daily earnings X of an employee who works on a commission basis are given by the following probability distribution. Find the employee's expected earnings. x($) 25 50 75 100 125 150 P(X = x) 0.07 0.12 0.17 0.14 0.28 0.19 0.03
Life Insurance Miranda decided to buy a $50,000 term life insurance policy from Palmetto Insurance Company to cover her until she is 55. She is currently 50 years old and in good health. The probability of death in a given year is provided by the Social Security Actuarial Life Table. x = Age 50 51 52 53 54 P(Death at a Given Age) 0.0032 0.0035 0.0038 0.0041 0.0044 1. Fill in the expected cost to Palmetto Insurance Company for each year Miranda has the policy. Age at Death 50 51 52 53 54 Expected Cost $ $ 2$ 2$ $ 2. The insurance company wants to make a profit of $500. How much would they need to charge for the policy? $ Check Finish attemnt.
The following plot shows the probability function of a random variable X. Estimate the needed probability from the information shown in the plot. What is the probability X= - 1? Ap(x) 0.4- 0.3- 0.2- 0.1- -3 -2 -1 The probability X= - 1 is -3 (Simplify your answer.)
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L10Q7.Find the unknown value from the following probability distribution.
determine if the following is a probability distribution. justify your answer x P(x) 0 0.04 1 0.33 3 0.42 4 0.19 5 0.02
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 3 0.10 4 0.30 6 0.20 7 0.05 Additional Materials O Reading
Based on historical data kept by a business school, the probability distribution for students who have been found in violation of academic integrity in the core accounting class each semester is given below. Let x = number of students found in violation of academic integrity in a semester in the core accounting class. x Prob(x) 0 0.6 1 0.08 2 0.07 3 0.04 4 0.106 5 0.104 (a) Is this a valid probability distribution? Justify briefly.…
Please answer the question asked in the photo attached.
Airlines sometimes overbook flights. Suppose that for a plane with 100 seats, an airline takes 110 reservations. Define the variable x as the number of people who actually show up for a sold-out flight. From past experience, the probability distribution of x is given in the table shown below. X 95 96 97 98 99 What if you are number 3? 0.23 100 p(x) 0.06 0.09 0.12 0.14 x 103 104 105 106 p(x) (a) What is the probability that the airline can accommodate everyone who shows up for the flight? 107 0.15 101 108 0.07 109 102 (b) What is the probability that not all passengers can be accommodated? 0.05 0.04 0.02 0.01 0.005 0.005 0.005 0.0039 0.0011 110 (c) If you are trying to get a seat on such a flight and you are number 1 on the standby list, what is the probability that you will be able to take the flight?

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