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3. From the urn of Problem 1, ten balls are selected at random with replacement. (a) Estimate the probability that four or less red balls are selected. (b) Estimate the probability that more than four blue balls are selected.

3. From the urn of Problem 1, ten balls are selected at random with replacement. (a) Estimate the probability that four or less red balls are selected. (b) Estimate the probability that more than four blue balls are selected.

A First Course in Probability (10th Edition)
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...
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Math 1680 Elementary Probability and Statistics Exercise Set 6 Name: 1. An urn contains 4 red balls, 3 blue balls, 2 green balls and one black ball. One ball is selected at random. Consider games X defined as follows. Red Blue Green Black -$5.00 +$1.00+ $2.50 + $10.00 (a) Find the probabilities P(X > 1.00) and P(X > 1.00). (b) Find the expected value, E(X). (c) Find the probability standard deviation, o(X). (d) Find the cumulative distribution functions F(r) = P(X < x). 2. A cumulative distribution function of a random variable X is given as follows. 0.00, if r< -2.0, 0.30, if -2.0 <r< 1.5, F(r) = {0.85, if 1.5 <a < 2.0, 0.90, if 2.0 <a < 3.25, 1.00, if 3.25 < r. (a) Find the probability mass function. (b) Find the probability, P(1.0 < X < 2.0). (c) Find the expected value. (d) Find the probability standard deviation. 3. From the urn of Problem 1, ten balls are selected at random with replacement. (a) Estimate the probability that four or less red balls are selected. (b) Estimate the probability that more than four blue balls are selected.
Transcribed Image Text:Math 1680 Elementary Probability and Statistics Exercise Set 6 Name: 1. An urn contains 4 red balls, 3 blue balls, 2 green balls and one black ball. One ball is selected at random. Consider games X defined as follows. Red Blue Green Black -$5.00 +$1.00+ $2.50 + $10.00 (a) Find the probabilities P(X > 1.00) and P(X > 1.00). (b) Find the expected value, E(X). (c) Find the probability standard deviation, o(X). (d) Find the cumulative distribution functions F(r) = P(X < x). 2. A cumulative distribution function of a random variable X is given as follows. 0.00, if r< -2.0, 0.30, if -2.0 <r< 1.5, F(r) = {0.85, if 1.5 <a < 2.0, 0.90, if 2.0 <a < 3.25, 1.00, if 3.25 < r. (a) Find the probability mass function. (b) Find the probability, P(1.0 < X < 2.0). (c) Find the expected value. (d) Find the probability standard deviation. 3. From the urn of Problem 1, ten balls are selected at random with replacement. (a) Estimate the probability that four or less red balls are selected. (b) Estimate the probability that more than four blue balls are selected.
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