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
An automotive center keeps track of customer complaints received each week. The probability distributions of complaints are shown below. The random variable, xi, represents the number of complaints, and p(xi) is the probability of receiving xi complaints for two of the stores. The cost impact of each complaint is believed to be y=$10x3 where x is the number of complaints. Store A xi 0 1 2 3 4 5 6 p(xi) 0.10 0.15 0.20 0.25 0.15 0.10 0.05 Store B xi 0 1 2 3 4 5 6 p(xi) 0.10 0.15 0.25 0.22 0.13 0.08 0.07 Compute the simulated averages and standard deviations of the number of complaints per week for each store and the total for both stores over the 52 weeks. Compare to the theoretical mean and standard deviations.
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Sephora uses a continuous distribution to describe the sales from one of their beauty events. From business intuition the manager sees generally sales are from $100,000 to $150,000 in their location. What is the probability the sales is more than 120,000?
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
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…
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 35 53 46 26 17 (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) nothing nothing nothing nothing nothing nothing nothing (Round to three decimal places as needed.)
APX) 0.24- 0.2- 0.16 0.12- 0.08- 0.04- 0- 10 12 14 16 Write the normal probability for the shaded region of the graph and find its value. Select the correct choice below and fill in the answer box within your choice. (Round to four decimal places as needed.) O A. P(4sxS8) =P(3.5sxs8.5) =| O B. P(4
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 Employees 0 5 X P(x) 0 1 14 1 2 34 (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. 2 3 54 3 4 42 4 5 28 5 (Round to three decimal places as needed.) 6 17 6
%23 The following table contains the probability distribution for the number of traffic accidents daily in a small town. Complete parts (a) through (c) below. Number of Accidents P(X= x;) Daily (X) 0.28 0.31 0.17 3 0.09 0.07 0.05 4 0.03 a. Compute the mean number of accidents per day. (Type an integer or a decimal. Do not round.) More data-3_24_2022-4..xlsx 67 F e Type here to seareh
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The table shows population statistics for the ages of Best Actor and Best Supporting Actor winners at an awards ceremony The distributions of the ages are approximately bell-shaped. Compare the z-scores for the actors in the following situation. Best Actor Best Supporting Actor H= 51.0 H = 43.0 6 = 6.9 0 = 16 In a particular year, the Best Actor was 50 years old and the Best Supporting Actor was 47 years old. Determine the z-scores for each. Best Actor: z = Best Supporting Actor: z = (Round to two decimal places as needed.) Clear All Check Answer Help Me Solve This View an Example Get More Help - 10:22 PM P Type here to search 68°F Cloudy ^ 24 88 10/7/2021 10.0517 Esc FI C F5 F2 F3 F4 F6 F7 F8 PrtSc Insert Delete F9 F10 F11 F12 C@ 3 6 80 Backspace Num Lock T Y U P 7 Home PaUp S D G +II HI 5 LL LU