Let X denotes the number of boys in families with 3 children. The probability that any one child is a boy is 0.5 a) Write down the probability distribution of X b) What is the expected value of X? What does it mean? c) What is the standard deviation of X? d) What is the cumulative distribution function of X? e) What type of distribution do you expect this to be? Write the parameters of the distribution?

Q: A census collected data on everyone that lived in a certain small town. The random variable X is the…

A: The provided information is  x P(X=x)=P(x) x*P(x) x2*P(x) 0 0.0857 0 0 1 0.2447 0.2447 0.2447…

Q: Handwritten

A: Step 1: Step 2: Step 3: Step 4:

Q: Let x be the number of errors that appear on a randomly selected page of a book. The following table…

A: X p(X) X*p(X) X2*p(X) 0 0.73 0 0 1 0.16 0.16 0.16 2 0.06 0.12 0.24 3 0.04 0.12 0.36 4 0.01…

Q: The amount of time that people spend at Grover Hot Springs is normally distributed with a mean of 78…

A: Note: According to our guidelines we can answer only three subparts and rest can be repost.

Q: Assume the geometric distribution applies. Use the given probability of success p to find the…

A: Given: p=0.7

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A: 1. Characteristics of Binomial Distribution a) Number of Observation (n) is fixed b) The Probability…

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A: We have given that the probability distribution for the number of traffic accidents daily in a small…

Q: I'm waiting at a bus stop, I can take the bus 34, which I need to wait for, on average, 10 min, and…

A: Answer:-  Let X, be the random variable represents the time taken to wait for bus 34. Let Y, be the…

Q: Assume that an airline operates a 10-seat Piper PA-31 on a particular route. Historically, the…

A: Hey there! Thank you for posting the question. Since there are multiple questions posted, we will…

Q: Let Fa,df1,df2 denote the upper a percentile and F1-a,df1.df2 be the lower a percentile of an F…

A: Introduction: It is given that Fα, df1, df2 is the upper α percentile, and F1–α, df1, df2 is the…

Q: Let x represent the dollar amount spent on supermarket impulse buying in a 10-minute (unplanned)…

A: The provided information are: Population mean μ=32Population standard deviationσ=9

Q: Find the a) mean, b) standard deviation and c) variance of the given probability distribution. 1)…

A: Solution-: We have given table: x P(x) 3 0.14 6 0.05 9 0.36 12 0.35 15 0.10 We…

Q: Use the data in the following table, which lists drive-thru order accuracy at popular fast food…

A: Given data   A B C D Total  Order Accurate 310 260 249 126 945 Order not accurate 32 50 39 18…

Q: One professional basketball player typically attempts eight free throws per game. Let X represent…

A: Random variables are of 2 types, discrete and continuous. A discrete random variable can only take…

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A: It is given that the X be the number of videos that a randomly chosen young adult between the age of…

Q: a. What is the distribution of X? X - N( 17 b. What is the distribution of ? ~ N( 17 0.8451✔ 08 08…

A: given data  X~N(17,5)x¯~N(17,0.8451)

Q: ds lost. 1) More than 10 pounds 2) Between 8 pounds and 11 pounds

A: Let , X be the weight loss for the first month of a diet program. Here , X has uniform distribution…

Q: enote the number of broken eggs in a randomly selected carton of one dozen e y | 1 2 3 4 P(y) 0.60…

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Q: The probability distribution below is for the random variable X the number of credits taken by a…

A: The given probability distribution is:

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A: Given, standard normal probability distribution.

Q: Measurements for the length and width of rectangular plastic covers for CDs are rounded to the…

A:

Q: Use the probability distribution to complete parts​ (a) and​ (b) below.     The number of defects…

A: Solution: Let X be the number of defects per 1000 machine parts inspected. From the given…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.