Answered: Assume T is a random variable…

Assume T is a random variable representing time, with an exponential distribution and a mean of 21 Find the probability P(T <= 21).

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Related questions

Q: Assume that 12 jurors are randomly selected from a population in which 73% of the people are…

A: The question is about discrete probability distribution.Given :

Q: Suppose X is a random variable with possible values 1,-4 and 4 and with respective probabilities…

A: We have the random variables with probabilities. x 1 -4 4 P(x=x) 0.15 0.48 0.37 WE Know E(x)…

Q: X and Y are random variables with the following joint PMF. |-9 |-2 |-2 |-7 0.2 0.1 |0.04 10 0.1 0.15…

A: Introduction :- We have to find, Missing probability for joint probability mass function of X and…

Q: Suppose x is a uniform random variable with c = 10 and d = 80. Find P(13 < x < 75).

A: X is a uniform random variable with c=10 and d=80. The probability density function of X is…

Q: Use a normal approximation to find the probability of the indicated number of voters. In this case,…

A: Given information Number of voters(n) = 133 Eligible voters = 22% p = 0.22 Checking whether normal…

Q: According to a recent study, 23% of peanut M&M's are brown, 10% are yellow, 15% are red, 23% are…

A: The probability of M&M is yellows (p) is 0.10. The sample size n is 4.

Q: Suppose the random variable X has the following probability distribution 2 1 1- 0.2 0.3 0.3 0.2…

A: Probability Distribution: It is a statistical function, describing all the possible outcomes of the…

Q: Suppose that the wait time for a cab can be modeled with a uniform random variable between 0 and 12…

A: Let X denotes the waiting time for a cab can be model with uniform random variable between 0 and 12…

Q: The number of tails showing when flipping four coins is a discrete random variable. Denote it by X.…

Q: What is the probability that the mean childhood asthma prevalence for the sample is greater than…

A: Given: As the sample mean is an unbiased estimator of the population mean, we will use the mean…

Q: x is a normally distributed random variable with a mean of 3 and a variance of 4. Find the…

A: Given that X follows a normal distribution with mean=3 and variance=4. So standard deviation=4=2We…

Q: random Let X be a binomial variable with mean 1 and variance 3. The probability that X takes the 4…

Q: Give the range of values that the random variable X may assume and classify the random variable as…

A: Discrete variable means It can have some limited values only..It can not have In between values..…

Q: Suppose a study of driving under influence and driving without seatbelt produced the following data:…

Q: 64% of all Americans are home owners. If 47 Americans are randomly selected, find the probability…

A: sample size(n)=47 p=0.64 A random variable X~Binomial(n=47 , p=0.64) P(X=x)=Cxpx(1-p)n-x ;…

Q: Determine whether the random variable is discrete or continuous. In each case, state the possible…

Q: Suppose that the random variable z, shown below, represents the number times. P(z) represents the…

A: From the provided information, x P (x) 0 0.2686 1 0.264 2 0.2633 3…

Q: Find the probability a randomly selected z-score is between -1 and 1.2.

A: Probability that the randomly selected Z-score is between -1 and 1.2 P(-1<z<1.2) We know…

Q: The random variable x is the number of occurrences of an event over an interval of 10 minutes. It…

Q: For any continuous random variable, the probability that the random variable takes on exactly a…

Q: A random variable X has the probability distribution as follows: Find m. * 2 3 4 P(x) 1 m m 4 m 15…

A: Given x 1 2 3 4 5 P(x) 115 m15 m5 415 m15

Q: Fill in the P=Xx values to give a legitimate probability distribution for the discrete random…

A: Given that value in question: Value x of X P(X=x) -1 0.28 0 0.10 4 5 6 0.22…

Q: The Kunkel's host a game night every weekend. The duration of these game nights, typically, last…

A: Given: The duration of these game nights, typically, last between 90 minutes and 180 minutes the…

Q: X is a binomial random variable withn= 10 andp = 0.9. Which of the following statements is false?…

A: Given Data: n=10 p=0.9 X~ Binomial (10, 0.9)

Q: A major hurricane is a hurricane with wind speeds of 111 miles per hour or greater. During the 20th…

A: Solution: Let X be the number of major hurricanes will strike the U.S. mainland. From the given…

Q: Suppose that the random variable x, shown below, represents the number times. P(x) represents the…

Q: A hacker is trying to guess someone's password. The hacker knows (somehow) that the password is 5…

A: The password is 5 digits long and each of the digit could be a number between 0 and 3.

Q: Service time for a customer coming through a checkout counter in a retail store is a random variable…

A: Solution σ1=σ2=0.5μ1=μ2=3.5n1=21n2=28

Q: The mean number of serious accidents in a large factory is 5 per year, where the occurre independent…

A: As per our guidelines we are suppose to answer only three sub parts. Given,The average no.of…

Q: A random variable is normally distributed with and. Find the probability (i) that it will fall…

A: In this context, since the mean and standard deviation is not given, we are considering μ=50 and…

Q: Fill in the P(X=x) values to give a legitimate probability distribution for the discrete random…

A: Solution-: Let, X-be the random variable, P(X=x) - is probability We have following table: X…

Q: Jensen, arriving at a bus stop, just misses the bus. Suppose that he decides to walk if the (next)…

A: A continuous random variable X is said to follow Uniform distribution with parameters a and b, if…

Q: If z is a standard normal random variable, find the probability. The probability that z lies…

A: Answer: From the given data, If Z is a standard normal random variable, Mean(μ) = 0 Standard…

Q: Suppose x is a uniform random variable with a = 10 and b = 90. Find (P(x > 66 | x > 50). 0.25…

A: According to the given information in this question We need to find the value of P(x > 66 | x…

Q: Let Y be negative binomial random variable with r=2 and p=0.4, then find E(Y²) 15 None 67.5 32.5 20

Q: 2. The time Xit takes Professor Sawyer to drive to campus on a randomly selected day follows a…

A: Introduction: The random variable X denotes the time taken by the professor to drive to campus on a…

Q: Find the probability distribution for the random variable There is a package containing 16…

A: There are 16 resistors so N= 16 4 are defective, X= 4 Probability of selecting defective resistor…

Q: Let X be a random variable with a mean of 20 and variance of 4. Then E(3X2 -3 X +2) is O a. -46 O b.…

A: Answer is (b) 1154

Q: Fill in the P=Xx values to give a legitimate probability distribution for the discrete random…

A: Since, the sum of all probabilities of a probability distribution is equal to 1. That is, ∑P(X = x)…

Q: Let X represent a binomial random variable with n = 250 and p = 0.83. Find the following…

A: It is given that X follows a binomial distribution with parameters n as 250 and p as 0.83.

Question

Assume T is a random variable representing time, with an
exponential distribution and a mean of 21
Find the probability P(T <= 21).

The answer is not 0.63, 0.6319, 0.632, 0.6320, 0.6

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Similar questions

Assume that random guesses are made for seven multiple choice questions on a medical admissionstest, so that there are n=77 trials, each with a probability of success (correct) given by p=0.20. Find the probability that the number x of correct answers is fewer than 2. The probability that the number x of correct answers is fewer than 2 is
Determine whether the random variable is discrete or continuous. In each case, state the possible values of the random variable. (a) The number of light bulbs that burn out in the next week in a room with 20 bulbs. (b) The weight of a T-bone steak. ... (a) Is the number of light bulbs that burn out in the next week in a room with 20 bulbs discrete or continuous? OA. The random variable is continuous. The possible values are x = 0, 1, 2,..., 20. OB. The random variable is continuous. The possible values are 0≤x≤20. OC. The random variable is discrete. The possible values are x = 0, = 0, 1, 2,..., 20. O D. The random variable is discrete. The possible values are 0≤x≤20. (b) Is the weight of a T-bone steak discrete or continuous? O A. The random variable is discrete. The possible values are w= 1, 2, 3, .... OB. The random variable is continuous. The possible values are w=1, 2, 3, .... OC. The random variable is discrete. The possible values are w> 0. OD. The random variable is continuous.…
Suppose that X is a binomial random variable with n = 12 and p = 0.28. Find P 3 ). Write only a number as your answer. Round to 4 decimal places (for example 0.1849). Do not write as a percentage. Your Answer: Answer
Solve a,b,c. Typed answer please. I will rate
A hacker is trying to guess someone's password. The hacker knows (somehow) that the password is 5 digits long, and that each digit could be a number between 0 and 6. Assume that the hacker makes random guesses. What is the probability that the hacker guesses the password on her first try? Round to six decimal places. Probability =
The probabilities of all the values of a random variableX must: OA. average to a small and negative number. OB. add up to 1. OC. average to 0. D. none of the above,
Suppose a discrete random variable X takes only three values 0, 2 and 3. If P(0)=0.5, P(2)=0.2 and P(3)=D0.3 then P(X>1) is equal to: Select one: a. 0.3 b. 0.2 C. 0.5 d. 0
A random sample of 3 households is selected. The probabilities that certain number of households have a pet dog are listed. prob. of households with a dog P(x) probability that x households have %3D x (# of households) a dog 0.036 1 0.219 2 0.444 0.301 a) Does this table describe a probability distribution? Give a reason for your answer. Do not simply say yes/no b) What is the mean? Show work Edit View Insert Format Tools Table BIUA e Pv: 12pt v Paragraph v DELL
Let X represent a binomial random variable with n = 200 and p = 0.77. Use Excel’s function options to find the following probabilities. a. P(X ≤ 150) b. P(X > 160) c. P(155 ≤ X ≤ 165) d. P(X = 160)
Suppose that X is a binomial random variable with n = 10 and p = 0.29 . Find P( 5 ).Write only a number as your answer. Round to 4 decimal places (for example 0.1849). Do not write as a percentage.
Let X be a B (10, 1/2) random variable. What is the probability that X = 5?