Use the probability distribution to find a) standard deviation b) expected value of the probability distribution and c) interpret the results. 911 Calls A 911 service center recorded the number of calls received perhour. The number of calls per hour for one week can be approximated by thefollowing probability distribution.0 15| 62347P(x) 0.010.100.260.330.180.060.030.03

a) The table shows the probability distribution.

Answered: Use the probability distribution to…

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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Use the data in the following table, which lists drive-thru order accuracy at popular fast food chains. Assume that orders are randomly selected from those included in the table. Drive-thru Restaurant с 250 39 A B 317 269 60 D 146 12 Order Accurate Order Not Accurate 38 If one order is selected, find the probability of getting an order from restaurant B or D or an order that is not accurate. The probability of getting an order from restaurant B or D or an order that is not accurate is (Round to three decimal places as needed.)
Warren tosses 5 coins. Let A be the random variables representing the number of tails. Construct the probability distribution and draw the histogram.
Determine whether the distribution represents a probability distribution
A data scientist tracked how many cups of coffee she drank every day at work over the course of a year. She used the data to build a probability distribution where the random variable CCC represents the number of cups of coffee she drank on a given day. Here is the distribution: Calculate the mean of CCC.
A random variable follows a binomial distribution with the probability of success for one trial at 0.745 and 18 randomly selected trials. Round to the fourth. a) Find the mean of the distribution. b) Find the standard deviation of the distribution c) Find the probability of exactly 13 successes.
Make a histogram of the probability distribution of X. Describe its shape.
Construct a probability distribution ofr the data
25% of American adults are college graduates. Three American adults are randomly selected. If X denotes the number that the adult is college graduate: a) Construct a probability distribution b) Compute the expected value and standard deviation of the distribution.
Bill Dorfman is a champion shooting marksman with the Canadian Armed Forces. From 100 yards he can hit the center bullseye 92% of the time. In his upcoming competition he will be required to take 7 shots at the 100-yard range. a) Is this a uniform, binomial, or hypergeometric distribution? Explain? b) What does the random variable represent? What is/are the value(s) it can take? c) Calculate the probability that he won't hit the bullseye in all 7 shots. d) Calculate the expected value and interpret the meaning of it. e) Create a probability distribution table, for the number of bullseye hit in all 7 shots.
find the random variable and its probabilities. construct a probability distribution.
Fill in the blanks: The random variable Y has the probability distribution given the following table. у: 2 3 4 5 6 7 P (Y = y): 0.15 0.1 a 0.25 0.11 0.2 Determine the standard deviation of Y.
Assume that A, B and C are three independent events such that P (A) = 0.2, P (B) = 0.6 and P (C) = 0.4. Determine the probability that exactly one of these events will occur. Answer with the probability in percent.

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