4. The number of students entering in the canteen at any given hour is representedby a random variable X.40507080XP(x)600.10.20.40.10.2Find the probability that at least 50 students enter in the canteen.

Answered: Image /qna-images/answer/c8449ec0-a442-478b-9463-6859b1a7fea9.jpg

Answered: 4. The number of students entering in…

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

Suppose that a box contains 7 cameras and that 5 of them are defective. A sample of 2 cameras is selected at random. Define the random variable X as the number of defective cameras in the sample.Write the probability distribution for X. Write your answer in fraction form or round to 3 decimal places. kk P(X=k) What is the expected value of X
A random variable X has the following probability distribution : 8. 0·1 0-2 0.4 0.2
d. Determine the probability distribution of the random variable X.
For families with 5 children, let X be the number of children with Genetic Condition B. Can the following table be a probability distribution for the random variable X?
The probability of Jack making a free throw is 0.90. Assume one morning, he will attempt 5 shots and each one is independent. Let the random variable X represent the number of free throws he makes in 5 attempts. (Probability distribution of X given in the table) What is the probability that Jack will make a number of free throws out of 5 attempts that is less than the mean of X?
Suppose that the joint probability for random variables X and Y defined by 29 28 3. 28 28 The mean of the random variable Y. HY.is 39 28 27 28 41 28
2. Let X be the mean of a random sample of n = 25 from N(30, 9). Find the probability that the sample mean is between 29.8 and 30.6.
Five males with an X-linked genetic disorder have one child each. The random variable x is the number of children among the five who inherit the X-linked genetic disorder. Determine whether a probability distribution is given. If a probability distribution is given, find its mean and standard deviation. If a probability distribution is not given, identify the requirements that are not satisfied. child(ren) (Round to one decimal place as needed.) X 0 1 2 3 4 5 Does the table show a probability distribution? Select all that apply. A. Yes, the table shows a probability distribution. B. No, the random variable x's number values are not associated with probabilities. C. No, the random variable x is categorical instead of numerical. D. No, not every probability is between 0 and 1 inclusive. E. No, the sum of all the probabilities is not equal to 1. Find the mean of the random variable x. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. P(x)…
1. Toss a coin twice .Write the probability distribution of the random variable (a)X = 3( Number of Heads - Number of Tails). Then find (1) P( X >0) ; (ii) E(X), Var(X) and S.D (X).
Suppose that the random variable x, shown below, represents the number times. P(x) represents the probability of a randomly selected person having received that number of speeding tickets during that period. Use the probability distribution table shown below to answer the following questions. 43 x P(x) = 0 1 2 3 > Next Question 4 5 6+ 0.2951 0.2587 0.1924 0.1604 a) What is the probability that a randomly selected person has received five tickets in a three-year period? P(x = 5) 0.0492 0.0442 0.0000 b) What is the probability that a randomly selected person has received one tickets in a three-year period? P(x = 1) = c) What is the probability that that a randomly selected person has received more than zero tickets in a three- year period? P(x > 0) d) What is the probability that that a randomly selected person has received one or less tickets in a three-year period? P(x ≤ 1) =
-4 2 pl 2 3 | 4 1 Let Xbe a random variable with the following probability distribution. 9. Find the mean of the discrete random variable X. C. -0.03 A. -0.02 B. -0.20 D. -0.30 10. What is a? A. 3.94 C. 3.96 B. 3.95 D. 3.97
A random variable which can take any value in an interval is called a a. continuous random variable. O b. discrete random variable. O c. statistic. O d. outcome.

SEE MORE QUESTIONS

Recommended textbooks for you

A First Course in Probability (10th Edition)

Probability

ISBN:

9780134753119

Author:

Sheldon Ross

Publisher:

PEARSON

A First Course in Probability

Probability

ISBN:

9780321794772

Author:

Sheldon Ross

Publisher:

PEARSON

A First Course in Probability (10th Edition)

Probability

ISBN:

9780134753119

Author:

Sheldon Ross

Publisher:

PEARSON

A First Course in Probability

Probability

ISBN:

9780321794772

Author:

Sheldon Ross

Publisher:

PEARSON

SEE MORE TEXTBOOKS

4. The number of students entering in the canteen at any given hour is represented by a random variable X. 40 50 70 80 X P(x) 60 0.1 0.2 0.4 0.1 0.2 Find the probability that at least 50 students enter in the canteen.