Data was collected 100 days tabulating the number of room service calls in a budget hotel. 30 31 32 33 34 35 36 37 38 39 frequency 5 9. 12 15 16 14 12 8 3 a) use the relative frequency to calculate P(x). What does each P(x) represent? b) graph the probability distribution. c) find the mean and variance of the number of calls

Data was collected 100 days tabulating the number of room service calls in a budget hotel. 30 31 32 33 34 35 36 37 38 39 frequency 5 9. 12 15 16 14 12 8 3 a) use the relative frequency to calculate P(x). What does each P(x) represent? b) graph the probability distribution. c) find the mean and variance of the number of calls

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Description: Data was collected 100 days tabulating the number of room service calls in a budget hotel.30313233343536373839frequency59.121516141283a) use the relative frequency to calculate P(x). What does each P(x) represent?b) graph the probability distributio

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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18: Answer
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Probability and statistics
The accompanying table lists the outcomes and the probability distribution for a student renting videos during the week while on campus. Video Rentals per Week during Semester Outcome (number of O weekly video rentals) Probability distribution Outcome 0 (number of weekly video rentals) Probability distribution 1 0 69.81 2 Write the cumulative probability distribution in the table below. Use two decimal places. 3 1.81 4 0.05 0.55 0.25 0.05 0.07 0.02 0.01 Hint: Write your answers in two decimal places. 5 8 The probability of renting between two and four videos a week is 126.95 60 57.14 5 25 600 and the probability of renting less than three a week is
Use the probability distribution to complete parts (a) and (b) below. Activities Probability0 0.0591 0.1212 0.1633 0.1794 0.2165 0.1276 0.0837 0.052 The number of school-related extracurricular activities per student (a) Find the mean, variance, and standard deviation of the probability distribution. (b) Interpret the results.
The data given below show the number of overtime hours worked in one week per employee. Use the data to complete parts (a) and (b). Overtime hours 0 1 2 3 4 5 6 Employees 4 14 25 54 44 28 18 (a) Construct a probability distribution. (b) Graph the probability distribution using a histogram and describe its shape. (a) Construct the probability distribution by completing the table below. x 0 1 2 3 4 5 6 P(x) enter your response here enter your response here enter your response here enter your response here enter your response here enter your response here enter your response here (Round to three decimal places as needed.) (b) Choose the correct graph of the probability distribution. A. 012345600.10.20.30.4Overtime HoursProbability A histogram has a horizontal axis labeled Overtime Hours from 0 to 6 in increments of 1…
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Use the probability distribution to complete parts (a) and (b) below. The number of school-related extracurricular activities per student Activities 0 1 2 3 4 5 6 7 Probability 0.057 0.124 0.164 0.178 0.210 0.128 0.086 0.053 (a) Find the mean, variance, and standard deviation of the probability distribution. The mean is (Round to one decimal place as needed.) The variance is (Round to one decimal place as needed.) The standard deviation is (Round to one decimal place as needed.) (b) Interpret the results. The mean is so the average student is involved in (Round to one decimal place as needed.) ... The standard deviation is so the typical number of activities per student
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