The number of telephone calls received in the Statistics Department office between 12:00 noon and 1:00 p.m. has the followingprobability mass function:23 4a 0.10 0.15 0.05Number of calls X56 or moreProbability p(x)0.05 0.200.25Find the value of aО А. 0.30О В. 0.00O C. 0.20O D. 0.O E. 0.15

We have given that, Let X be the random variable having probability mass function, X :- 0…

Answered: The number of telephone calls received…

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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The table shows relative frequencies for red-green color blindness in one doctor's practice. M represents 'person is male' and C represents 'person is color-blind'. Use this table to find the following probability. P(M'IC)= (Round to three decimal places, if necessary.) M M' Totals с 0.047 0.005 0.052 C' 0.506 0.442 0.948 Totals 0.553 0.447 1.000
my ID: 18f18461 i need in words not handwritten or no pic
Let X be the number of students who show up for a professor's office hour on a particular day. Suppose that the pmf of X is p(0) = 0.10, p(1) = 0.30, p(2) = 0.20, p(3) = 0.15, and p(4) = 0.25. (a) Draw the corresponding probability histogram. 0.30 0.30 0.30 0.30 0.25 0,25 0.25 0.25 0.20 0.20 0.20 0.20 A 0.15 A 0.15 2 0.15 A 0.15 0.10 0.10 0.10 0.10 0.05 0.05 0.05 0.05 0.00 0.00 0.00 0.00 1 3 4 1 2 3 4 3 4 1 4 (b) What is the probability that at least two students show up? (No Response) More than two students show up? (No Response) (c) What is the probability that between one and three students, inclusive, show up? (No Response) (x)d
Samuel F.B. Morse (1791 – 1872), the creator of Morse Code, claimed that 12% of all letters used in the English language were “e”s. Suppose random samples of 196 letters are selected from a book What is the probability that a random sample of 196 letters will contain less than 15% "e"s? Type your calculated z-score here. Express its value to the nearest hundredth (two decimal places). Type your probability here. Express its value to four decimal places. Do not round.
Samuel F.B. Morse (1791 – 1872), the creator of Morse Code, claimed that 12% of all letters used in the English language were “e”s. Suppose random samples of 196 letters are selected from a book. What is the probability that a random sample of 196 letters will contain less than 15% "e"s. Type your calculated z-score here. Express its value to the nearest hundredth (two decimal places). What is the probability that a random sample of 196 letters will contain at least 10% "e"s? Type your calculated z-score. Express its value to the nearest hundredth (two decimal places). Type your probability. Express its value to four decimal places. According to a May 2020 Counterpoint Research report, 72% of all new mobile devices in North America were iOS devices. Suppose random samples of size 400 are selected. What are the mean and the standard deviation of the sampling distribution for the proportion of iOS devices in these samples? Standard devation should be expressed to the…
The table shows relative frequencies for red-green color blindness in one doctor's practice. M represents 'person is male' and C represents 'person is color-blind'. Use this table to find the probability P(M nC). P(Mn C) = C M M' Totals C 0.047 0.005 0.052 C' 0.392 0.556 0.948 Totals 0.439 0.561 1.000
Find oy for the discrete probability distribution: 4 3 2 1/3 1/12 7/12 O A. .92 В. З Ос.9 O D. .85 O E. ox is undefined because this is not a valid probability distribution.
In order to verify the accuracy of their financial accounts, companies use auditors on a regular basis to verify accounting entries. The company's employees make erroneous entries 5% of the time. Suppose that an auditor randomly checks three entries. a Find the probability distribution for Y, the number of errors detected by the auditor. b Construct a probability histogram for p(y). C Find the probability that the auditor will detect more than one error.
Consider the random variable L, the length of time it takes to hear a case in a small claims court. Assume that the probability function for L is a constant, c, over the interval 20 to 120 minutes. a. Find the probability that it will take more than an hour to hear a case. b. Find the probability that it will take exactly 1 hour to hear a case.
The distribution of the time until a Web site changes is important to Webcrawlers that search engines use to maintain current information about Web sites. The distribution of the time until change (in days) of a Web site is approximated in the following table. Calculate the probability mass function of the days until change.
The probability of a Type II error is represented by the symbol B (beta). O True O False
The table shows relative frequencies for red-green color blindness in one doctor's practice. M represents 'person is male' and C represents 'person is color-blind'. Use this table to find the following probability. P(MIC) = (Round to three decimal places, if necessary.) C M M' Totals C 0.042 0.008 0.05 C' 0.51 0.44 0.95 Totals 0.552 0.448 1.000

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