For the experiment described below, let x determine a random variable, and use your knowledge of probability to prepare a probability distribution.Three balls are drawn (with replacement) from a bag that contains 6 black balls and 4 red balls. The number of red balls is counted.A probability distribution for the given experiment is as follows.X0 1 2 3(Round to four decimal places as needed.)P(x) ||| ||

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Answered: For the experiment described below, let…

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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Salomé is offered to place a $10 bet on a certain event the probability of which happening is estimated to be 70%. In case of the event occurring Salomé will receive a total of $20. Let XX be the Salomé's winnings from the bet. Answer the following questions: 1. Create the probability distribution table for XX : XX outcome payoff xx ,$ P(X=x)P(X=x) win loss 2. Use the probability distribution table to find the following: E[X]=μX=E[X]=μX= dollars. (Round the answer to 2 decimal places.) SD[X]=σX=SD[X]=σX= dollars. (Round the answer to 1 decimal place.)
A small inn has 4 rooms. Let X represent the number of rooms that are rented out on any given Saturday. The following table describes the probability distribution of X. What is the mean of the random variable X? μX =
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Here is the probability model for the blood type of a randomly chosen person in the United States. Blood type O A B AB Probability 0.53 0.22 0.06 0.19 What is the probability that a randomly chosen American does not have type O blood? ______________% Round to the nearest 0.01%
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For the experiment described below, let x determine a random variable, and use knowledge of probability to prepare a probability distribution. Two names are drawn from a hat, signifying who should go pick up pizza. five of the names are on the swim team and six are not. The number of swimmers selected is counted.
For families with 5 children, let XX be the number of children with Genetic Condition B. Can the following table be a probability distribution for the random variable XX? xx P(x)P(x) 1 0.2077 2 0.0943 3 0.3281 4 0.1105 5 0.3232 A. yes B. noIs it correct answer B?
Pedro has a box that contains various numbers of wooden shapes. He randomly draws out a shape and then places it back in the box. He repeats this process for a total of 36 times. The table shows his data. Experimental Data for Shapes Number of Times Shape Drawn Out Sphere Cube 6. 4 Square pyramid Triangular prism 12 14 Based on the data, what is the probability that the next shape he draws from the box is a square pyramid? 2/9
Let X = number of siblings. Use the following table to answer questions 3 and 4: x (p)x 0 2/40 1 5/40 2 0 3 14/40 4 7/40 5 4/40 3. Find the probability that a person has two siblings.a. 8/40b. 8c. 2d. 6/404. Find the expected number of siblings a person has.a. 2.78b. 15c. 3.13d. 1.0
Let X represent the number of tires with low air pressure on a randomly chosen car. The probability distribution of X is as follows. x 0 1 2 3 4 Px 0.3 0.1 0.1 0.2 0.3

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