Let the random variable X be thenumber of rooms in a randomly chosen owner-occupied housing unit in a certain city. Thedistribution for the units is given below.5 6P(X)0.06 0.290.39 0.15 0.04 0.03 0.02 ?8 9 10347(a) Is X a discrete or continuous random variable?(Type: DISCRETE or CONTINUOUS)ANSWER:(b) What must be the probability of choosing a unitwith 10 rooms? P(X = 10) =%D(c) What is the probability that a unit chosen atrandom has between four and six rooms?P(4 < X < 6) =(d) What is the probability that a unit chosen atrandom has three rooms? P(X = 3) =(e) What is the probability that a unit chosen atrandom is not a 10-room unit? P(X+ 10) =

Answered: Image /qna-images/answer/7e162b17-f164-4af7-8e55-125c540d9127.jpg

Answered: Let the random variable X be the number…

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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The mean height of women in a country (ages 20−29) is 63.6 inches. A random sample of 70 women in this age group is selected. What is the probability that the mean height for the sample is greater than 64 inches? Assume σ=2.79. The probability that the mean height for the sample is greater than 64 inches is _________.
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
You and your friend carpool to school. Your friend has promised that he will come pick you up at your place at 8am, but he is always late(!) The amount of time he is late (in minutes) is a Uniform random variable between 1 and 13 minutes. Which of the following statements is/are true? CHECK ALL THAT APPLY.A. The mean amount of time that your friend is late is 7 minutes.B. The standard deviation of the amount of time that your friend is late is 3.46 minutes.C. It is less likely that your friend is late for more than 12 minutes than he is late for less than 2 minutes.D. None of the above
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?
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
For familiés with 5 children, let X be the number of children with Genetic Condition B. Can the following table be a probability distribution for the random variable X? P(x) 1 0.2862 0.0776 3. 0.1155 4 0.0491 0.3974 O no O yes 2.
2 of 4 (0 complete) Using the data given below, determine whether it would unusual for a household to have no HD televisions. The number of televisions (HD) per household in a small town Televisions 1 Households 26 445 655 1474 P(x) 0.010 0.171 0.252 0.567 Choose the correct answer below. O A. It would be unusual because the probability of having no HD televisions is less than 0.05. O B. It would not be unusual because the probability of having no HD televisions is more than 0.05. OC. It would not be unusual because 26 people have no HD televisions in the town. O D. It would be unusual because 26 people have no HD televisions in the town. Click to select your answer.
You and your friend carpool to school. Your friend has promised that he will come pick you up at your place at 8am, but he is always late(!) The amount of time he is late (in minutes) is a continuous Uniform random variable between 2 and 13 minutes. Which of the following statements is/are true? CHECK ALL THAT APPLY.A. The mean amount of time that your friend is late is 7.5 minutes.B. The standard deviation of the amount of time that your friend is late is at about 3.18 minutes.C. It is less likely that your friend is late for more than 12 minutes than he is late for less than 3 minutes.D. None of the above

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