Suppose that X has a hypergeometric distribution with N = 2000, k = 800 and n=200. Find the probability P(x is less than or equal to 80) a.Find the probability P(x is less than or equal to 80)based on the corresponding hypergeometric distribution. b.Find the probability P(x is less than or equal to 80)based on the approximate normal distribution. c.Is the normal approximation reasonable? yes or no

Suppose that X has a hypergeometric distribution with N = 2000, k = 800 and n=200. Find the probability P(x is less than or equal to 80) a.Find the probability P(x is less than or equal to 80)based on the corresponding hypergeometric distribution. b.Find the probability P(x is less than or equal to 80)based on the approximate normal distribution. c.Is the normal approximation reasonable? yes or no

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

In a certain distribution the first four moments about 5 are 2, 20, 40 and 50. Calculate the measure of skewness (B,) and kurtosis (B,). State whether the distribution is leptokurtic or platykurtic.
Only need F G H
Suppose that 2 balls are randomly selected from an urn containing 3 red, 4 blue, and 5 white balls. If we let X and Y denote, respectively, the number of red and white balls chosen . Hint: This is an extension of Hypergeometric distribution. Round off your answer into number with 4 decimal places (for example 0.9452). Solve for the probability that Y is atleast 1.
Let X denote the number of flaws along a 100-m reel of magnetic tape (an integer-valued variable). Suppose X has approximately a normal distribution with u = 25 and o = 5. Use the continuity correction to calculate the probability that the number of flaws is a. Between 20 and 30, inclusive. b. At most 30. Less than 30.
The lengths of a professor's classes has a continuous uniform distribution between 49.2 min and 55.5 min. One class is randomly selected.If P(x > c) = 0.438 , find c.
The lengths of a professor's classes has a continuous uniform distribution between 49.2 min and 55.5 min. One class is randomly selected.If P(x > c) = 0.502 , find c.
A distribution is given as X~ Exp(0.65). Find P(x < 3). (Round your answer to four decimal places.) Submit Answer CS Scanned with CamScanner
The graph represents a normal distribution with o = 1/2. -4 -3 -2 -1 0 Which of the following is(are) FALSE ✓ [Select] Neither A nor B B. Changing only the parameter o to 2 makes the curve flatter and wider. A. The median of the distribution is equal to 1/2. Both A and B
STAT 202: Individual Assignment x>0 1. Given the Gamma distribution as f(x) =- elsewhere Find the mean and variance of the distribution. 2a. Suppose that a large conference room for a certain hotel can be reserved for no more than 4 hours. However, the use of the conference room is such that both long and short conferences occur quite often. In fact, it can be assumed that length X of a conference has a uniform distribution on the interval [0, 4]. i. Determine the probability density function ii. What is the probability that any given conference last at least 3 hours? b. A cement wholesale distributor has a large store that hold fixed supplies and are filled every Sunday. Of interest to the wholesaler is the proportion of this supply that is sold during the week. Over many weeks of observation, the distributor found out that this proportion could be modeled by a beta distribution with a = 4 and ß = 2 . Find the probability that the wholesaler will sell at least 90% of his stock in a…
Assume X has a standard normal distribution (µ = 0, o = 1). Find P(X ≤ 1.2) and P(X ≥ −0.2). (Give your answer to four decimal places.) P(X ≤ 1.2) ≈ P(X ≥ −0.2) ≈
Find P(z
Q.7