Let x determine a random variable, and use your knowledge of probability to prepare a probability distribution.A family has four children and the number of boys is recorded. (Assume an equal chance of a boy or girl foreach birth.)Complete the probability distribution.X01P(x)(Type an integer or a simplified fraction.)231444116

The random variable X is the number of boys recorded There is an equal chance of a boy or girl for…

Answered: Let x determine a random variable, and…

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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A candy dish contains four brown and three red M&Ms. A child selects three M&Ms without checking the colors. What is the probability that all the M&Ms are red? (Round your answer to four decimal places.) X
Assume that when adults with smartphones are randomly selected, 53% use them in meetings or classes. If 10 adult smartphone users are randomly selected, find the probability that at least 2 of them use their smartphones in meetings or classes. The probability is (Round to four decimal places as needed.) Enter your answer in the answer box. MacBook Air 888 F4 17 esc 23 24 % & 8 9 5 6. T Y Q tab K F G
Pedro plays on the school basketball team. The team's results are shown in the table below. Pedro's results for each game are also shown in the table. Game Team's Total Points Pedro's Points 1 70 16 102 14 99 13 4 95 18 5 81 20 6 89 19 7 94 12 What is the experimental probability that Pedro will score 19 or more points in the next game?
Find the indicated probability.A company manufactures calculators in batches of 55 and claims that the rate of defects is 5%. Find the probability of getting exactly 3 defects in a batch of 55 if the rate of defects is 5%. If a store receives a batch of 55 calculators and finds that there are 3 defective calculators, do they have any reason to doubt the company's claimed rate of defects? options**** 0.0180; Yes. If the rate of defects is really 5%, the probability of finding 3 defects in a batch of 55 calculators is very small. 0.228; No. If the rate of defects is really 5%, it is not so unlikely to find 3 defects in a batch of 55 calculators. 0.237; No. If the rate of defects is really 5%, it is not so unlikely to find 3 defects in a batch of 55 calculators. 1.37; No. If the rate of defects is really 5%, it is not so unlikely to find 3 defects in a batch of 55 calculators.
You throw four softballs at the strike-zone target shown. The softballs are equally likely to hit any point of the strike-zone target. What is the probability that the first softball hits zone 2, the second softball hits zone 4, the third softball hits zone 1, and the fourth softball hits zone 3? (Enter your probability as a fraction.)
solve correctly. I will rate. Do it carefully please. 15 toothpastes are selected at random from a box containing 100 toothpastes for qualitycontrol test. If they find that the number of defective pieces is less than 3, the box will besent out. What is the probability that a box with 10 defective pieces will be sold?
Complete the table from tree diagram showing the 36 different outcomes from tossing a pair of dice Complete the probability distribution table. X represents the sum of two numbers. Record to 3 decimal places. X P(X) 2 3 4 5 6 7 8 9 10 11 12
Two dice, one green and one yellow, are rolled. Find the conditional probability. (Enter your probability as a fraction.) The sum is 7, given that the dice do not have the same parity. X Say whether the indicated pair of events is independent. 0.2 The events are dependent. The events are independent.
qm7 6 In a large population, 71 % of the people have been vaccinated. If 5 people are randomly selected, what is the probability that AT LEAST ONE of them has been vaccinated?Give your answer as a decimal (to at least 3 places) or fraction.
Airlines sometimes overbook flights. Suppose that for a plane with 100 seats, an airline takes 110 reservations. Define the variable x as the number of people who actually show up for a sold-out flight. From past experience, the probability distribution of x is given in the table shown below. X 95 96 97 98 99 What if you are number 3? 0.23 100 p(x) 0.06 0.09 0.12 0.14 x 103 104 105 106 p(x) (a) What is the probability that the airline can accommodate everyone who shows up for the flight? 107 0.15 101 108 0.07 109 102 (b) What is the probability that not all passengers can be accommodated? 0.05 0.04 0.02 0.01 0.005 0.005 0.005 0.0039 0.0011 110 (c) If you are trying to get a seat on such a flight and you are number 1 on the standby list, what is the probability that you will be able to take the flight?
Answer and solve 1-4, show all work and calculator work.
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