Sally takes the same bus to work every morning. Let X = the amount of time (in minutes) that she has to wait for the bus on arandomly selected day. The probability distribution of X can be modeled by a uniform density curve on the interval from 0minutes to 8 minutes.What is the probability that Sally has to wait between 2 and 5 minutes for the bus?0.50.3750.250.1250.33

Answered: Image /qna-images/answer/590a65a3-1f3d-4e58-a318-d82da9136c8f.jpg

Answered: Sally takes the same bus to work every…

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 random variable X represents the number of tests that a patient entering a hospital has. Find the mean and standard deviation for the random variable X from the following probability distribution. x pr(x) 0 0.18 1 0.29 2 0.35 3 0.12 4 0.06 Select one: a.mean: 3.72; standard deviation: 2.52 b.mean: 1.59; standard deviation: 1.10 c.mean: 2.52; standard deviation: 1.93 d.mean: 1.59; standard deviation: 3.72
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For discrete probability distribution
.Consider the discrete probability distribution below. Find the probability that X > 1. Write and encircle your answer ((with 2 decimal places) : X P(X) 0 0.05 1 0.25 2 0.40 3 0.24 4 0.06
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
please do this typewritten asap.
The probability distribution for X = number of births in a day at a hospital is as follows. Births, X 0 1 2 3 4 5 6 7 Probability 0.10 0.13 0.21 0.31 0.17 0.05 0.02 0.01 (a) Find P(X ≤ 3). Explain what is measured by this probability. This is the probability that there will be 3 or fewer births.This is the probability that there will be fewer than 3 births. This is the probability that there will be 3 births.This is the probability that there will be more than 3 births.This is the probability that there will be 3 or more births. (b) Explain what is measured by the value of 1 − P(X ≤ 3). This is the probability that there will be 3 or fewer births.This is the probability that there will be fewer than 3 births. This is the probability that there will be 3 births.This is the probability that there will be more than 3 births.This is the probability that there will be 3 or more births.
For a t distribution with 16 degrees of freedom, find the area, or probability, in each region. a. To the right of 2.120. (Use 3 decimals.) b. To the left of 1.337. (Use 2 decimals.) c. To the left of -1.746. (Use 2 decimals.) d. To the right of 2.583. (Use 2 decimals.) e. Between -2.120 and 2.120. (Use 2 decimals.) f. Between -1.746 and 1.746. (Use 2 decimals.)
Let x represent the number of times a customer visits a grocery store in a 1-week period. Assume this is the probability distribution of x. Find the expected value of x, the average number of times a customer visits the store. X 0 1 2 3 P(x) 0.1 0.4 0.4 0.1 You know only that your colleague has three children. Suppose the chance of a child being a girl is ½. Let x be the number of girls in three children. (a) Construct a probability distribution. (b) Construct a histogram. (c) What is the probability of having all three girls? (d) Find the expected value of having girls in three children.
The following table shows the probability function for the random variable X, number of wingbeats per second of certain species of large moths while in flight. Find the table for the cumulative distribution function The probability that the number of beats per second is less than or equal to 8 is Answer
NEED ASAPIndicate the units and draw the graph. Round off to four decimals or in lowest term if fraction.
Answer Letter D only pls.

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