The Mean of Binomial distribution is 3 and variance is- Find 4 (i) the value of n (ii) p ( x 2 1 ) (iii) p (xS 7)

Q: The random variables are x and y. The mean and standard deviation is: x is 12 and 5 y is 10 and 2 Of…

A: Given, X and Y are two random variables ,Where ,Mean of X , E(X) = 12 Standard  deviation of X ,…

Q: Suppose that a basketball player can make a free throw 70% of the time. Let X equal the minimum…

A: From the provided information,

Q: If X is normally distributed with a mean of 6 and a variance of 25, P(|X-6|<5) P(|X-6|<10)…

A: As per guideline expert have to answer first three subparts only dear student please upload other…

Q: A random sample of 370 in size is taken from a population with a mean of 7850 and unknown variance.…

A: GIVEN DATA,  sample size =370population mean =7850population variance is unknown the sample variance…

Q: The mean of a binomial distribution is 3 and variance is 3/2. Find the ility of (i) 0 success (ii) 2…

A: 5 Mean of binomial distribution is 3 Variance=3/2 That is, np=3np(1-p)=323(1-p)=321-p=12     p=12…

Q: TRUE OR FALSE: The mean for the distribution of sample means is always equal to the mean for the…

A: We have to identify statement is true or false.

Q: What is the distribution of X? 1) Out of the 38 pizzas that you try, how many would you expect to…

A: Let p be the probability of you liking the pizza. Given that p = 0.08

Q: Given f(x) = { (x2+1)/30; x = -2,-1,0,1,2  0; elsewhere ] Find the mean and variance of X.

A: X-2-1012f(x)

Q: Q1: Calculate the mean and the variance for Weibull Distribution when (i) a = 4,ẞ= 1 (ii) a = 1, ẞ =…

A: For weibull distribution the mean and variance are given as Mean(μ) =αβμ=αΓ(1+1β)Variance…

Q: Find a sufficient statistic (in the rigorous sense) for å when X - Pois(1)

A: Step1 An estimator is called sufficient it has has all the information about the population H(x) is…

Q: Time spent by students studying daily is a uniformly distributed random variable with mean = 136…

A: Solution: 1. Let X be the time spent by students studying daily. From the given information, X…

Q: The sum of mean and variance of Binomial distribution is 3/4 and difference of mean and variance of…

A:

Q: What is the formula for the variance? o S? =E (x - X)? / n o S? = E (X - x)? /n o S2 = E (x - X) / n…

A: Variance is one of the measures of dispersion.

Q: Suppose the relationship between Y and X is given by: Y = 30 - 25X + error  What is the expected…

A:

Q: Question 2: The range of the random variable X is [0, 1, 2, 3, x] where x is unknown. Each value is…

A:

Q: Let X represent the number that occurs when a 5-sided red die is tossed and Y the number that occurs…

A: a)The random variable X defines the number that occurs when a 5-sided red die is tossed.

Q: Suppose the relationship between Y and X is given by: Y = 30 - 25X + error  What is the expected…

A:

Q: A financial analyst maintains that the risk, measured by the variance, of investing in emerging…

A: Population Var = ?² =280 Sample size = n = 20 Sample S.D = s² = 361

Q: Suppose f(x) = 0.50 for 0 < x < 2. Determine the mean and variance of X. Mean = i (Round the answer…

A: It is given that  f(x) = 0.50,    0 &lt; x &lt; 2