Answered: If the probability function of the…

Name: If the probability function of the random variable x is defined as x-
Uploaded: 2024-03-20T07:06:41.000Z
Channel: Bartleby
Description: If the probability function of the random variable x is defined as x-N(20,25), what is the standard value (z-value) of x=14?2nda) -2ndO B) 1.5О С) -1.2D) 2ndто) 1.2

Math

Probability

If the probability function of the random variable x is defined as x-N(20,25), what is the standard value (z-value) of x=14? 2nd - O a) -2nd OB) 1.5 C) -1.2 OD) 2nd O TO) 1.2

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...

See similar textbooks

Similar questions

The probability that a fisherman catches a tuna in any one excursion is 0.19. What is the probability that he catches a tuna on each of four excursions? On at least one of four excursions? The probability that he catches a tuna on each of four excursions is 0.001303. (Type an integer or decimal rounded to six decimal places as needed.) The probability that he catches a tuna on at least one of four excursions is (Type an integer or decimal rounded to three decimal places as needed.)
Q1. a) In a group of 80 students, 50 have a laptop (A), 30 have a tablet (B) and 3 have both a laptop and a tablet. i) Draw a Venn diagram to represent this information. A 47 3 27 B 3 ii) Find the probability that a student either only has a tablet or does not have a laptop or both, using the equation P(A' U B) = P(A') + P(B) – P(A' ŉ B).
The PDF of a random variable is if x 4 f(x) = { a.) What is the value of A? 0, A (7+x)²² b.) What is the value of P(4 4, if if
36 - Calculate the variance of X, Var (X) =?, By finding the value a in the table so that the X random variable given the probability distribution table below is the probability distribution.A) 2.93B) 2.85C) 3.10D) 3.25E) 2.71
Question B i and ii
1.) The amount of time an air-conditioning technician to repair a unit is in between 1.9 and 5 hours which is found to be uniformly distributed. Let x be the time needed to fix an A/C unit. b.) Find the probability that a randomly selected A/C unit repair requires less than 3.5 hours?
Suppose that in a certain large population, the proportion of people that have blood type O is 0.33. If 7 people are randomly and independently selected from this population, what is the probability that no more than one has blood type O? (Give your response to at least 3 decimal places. Give only your numeric response, and not any extra characters or symbols.) Your Answer:
Suppose that X follows a Binomial distribution, i.e., X ∼ Binomial(3, 0.5). Define a new random variable as Y = X 2 , then, what is the value of the PMF of Y evaluated at 1, i.e., what is Pr(Y=1)? a). 0.3125 b). 0.25 c). 0.375 d). 0.5
6- The Variance of X, is a) o? b) d) 2
Suppose X is a random variable best described by a uniform probability distribution with C = 2 and d = 4. Find P(2.5 < X < 2.78). a) 0.14 b) 0.78 c) 0.39 d) 0.28
Pavan
How was the correct answer of 0.0741 attained?