Assume that 12 jurors are randomly selected from a population in which 73% of the people areAmericans. Refer to the probability distribution table below and find the indicated probabilitiesH P(x)00+10+20.000130.000740.00450.01726 0.054270.125580.212290.2549100.2068110.101612 0.0229Find the probability of exactly 6 Mexican-Americans among 12 jurors.P(x=6)=Find the probability of 6 or fewer Mexican-Americans among 12 jurors.P(x ≤6)

The question is about discrete probability distribution.Given :

Answered: Assume that 12 jurors are randomly…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Oxygen demand is a term biologists use to describe the oxygen needed by fish and other aquatic organisms for survival. The Environmental Protection Agency conducted a study of a wetland area. In this wetland environment, the mean oxygen demand was μ = 9.1 mg/L with 95% of the data ranging from 6.7 mg/L to 11.5 mg/L. Let x be a random variable that represents oxygen demand in this wetland environment. Assume x has a probability distribution that is approximately normal. QUESTION: (b) An oxygen demand below 8 indicates that some organisms in the wetland environment may be dying. What is the probability that the oxygen demand will fall below 8 mg/L? (Round your answer to four decimal places.)
In an electio, suppose that 60% of voters support the Incumbent candidate. I w poll 207 of these voters at random, the probability distribution for the proportio o the polled voters that support the incumbent candidate can be modeled by the normal distibution pictured below. Complete the boxes accurate to two decimal places.
Let X be the discrete r.v. that represents the number of Boys in a three-child family. Assume that the outcomes boys and girls are equally likely. What is the expected value of this discrete probability distribution? What is the variance?
The table shows relative frequencies for red-green color blindness in one doctor's practice. M represents 'person is male' and C represents 'person is color-blind'. Use this table to find the following probability. P(MIC) = (Round to three decimal places, if necessary.) C M M' Totals C 0.042 0.008 0.05 C' 0.51 0.44 0.95 Totals 0.552 0.448 1.000
Dartmouth Distribution Warehouse makes deliveries of a large number of products to its customers. It is known that 82% of all the orders it receives from its customers are delivered on time. Let the proportion of orders in a random sample of 100 that are delivered on time. Find the probability that the value of hat p will be less than 0.87 .
Oxygen demand is a term biologists use to describe the oxygen needed by fish and other aquatic organisms for survival. The Environmental Protection Agency conducted a study of a wetland area. In this wetland environment, the mean oxygen demand was μ = 9.9 mg/L with 95% of the data ranging from 7.3 mg/L to 12.5 mg/L. Let x be a random variable that represents oxygen demand in this wetland environment. Assume x has a probability distribution that is approximately normal. (a) Use the 95% data range to estimate the standard deviation for oxygen demand.
In the probability distribution to the right, the random variable X represents the number of marriages an individual aged 15 years or older has been involved in. Compute and interpret the mean of the random variable X. Hx = marriages (Type an integer or a decimal. Do not round.) X 0 1 2 3 4 5 P(x) 0.264 0.567 0.136 0.029 0.003 0.001
What is the probability that at least 60 years old but less than 70 years old senior citizen will receive the social amelioration program
Let X = {Email, In Person, Instant Message, Text Message}; P(Email) = 0.06 P(In Person) = 0.55 P(Instant Message) = 0.24 P(Text Message) = 0.15 Is this model a probability distribution? A. Yes. B. No. C. Maybe.
According to a recent National survey of 200 High School students of driving age, 43 percent stated they text while driving at least once. Assume this percentage represents the true population proportion of High School student drivers who text while driving. Determine the probability that more than 53% High School students have texted while driving. a. 0.9979 b. none of these d. 0.0021 Oe.0.0286
Two balls are selected at random from an urn that contains three white balls and seven red balls. Let the random variable X denote the number of white balls drawn times the number of red balls drawn. Find the probability distribution. (Order your answers from smallest to largest x-value. Round your answers to four decimal places.)
A random sample of 3 households is selected. The probabilities that certain number of households have a pet dog are listed. prob. of households with a dog P(x) probability that x households have %3D x (# of households) a dog 0.036 1 0.219 2 0.444 0.301 a) Does this table describe a probability distribution? Give a reason for your answer. Do not simply say yes/no b) What is the mean? Show work Edit View Insert Format Tools Table BIUA e Pv: 12pt v Paragraph v DELL

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