Question

Asked Feb 4, 2020

4 views

Prove that the mean and variance of a binomially distributed random variable are respectively:

mu = np and σ^{! }= np (1-p)

1 Rating

Step 1

**Expected value:**

The expected value is given below:

Step 2

The variance is calculate...

Tagged in

Find answers to questions asked by student like you

Show more Q&A

Q: How many distinct 9-letter words starting with “i” can be formed from the word “committee”?

A: Since there is only one “i” letter. It is fixed for the starting place of the word. This can be happ...

Q: The probability that an airplane engine will fail in a transcontinental flight is 0.001. Assuming th...

A: It is given that the probability than an engine will fail in a transcontinental flight (p) is 0.001....

Q: Can u please do number 9

A: 9.Let A be the even that a jack card is drawn from a deck of cards. Let B be the event the getting a...

Q: Given P(A and B) = 0.07, P(A) = 0.75, and P(B) = 0.63 are events A and B independent or dependent?

A: Given dataP(A and B) = 0.07, P(A) = 0.75, and P(B) = 0.63For the events to be independentP(A and B) ...

Q: The recipe for a fruit smoothie requires 2 cups of fruit per 6 cups of yogurt to maintain a 1/3 rati...

A: Here, the recipe for a fruit smoothie requires 2 cups of fruit per 6 cups of yogurt to maintain a 1/...

Q: The new owner of a student apartment building near campus was considering establishing a No Pets Rul...

A: The building have 58 units, 30 owned birds, 38 owned fish, and 30 owned frogs, lizards, or snakes. E...

Q: Find the indicated probability. If P(A or B)equals=0.6, P(A)equals=0.5, and P(A and B)equals=...

A: Given thatP (A or B) = 0.6P (A) = 0.5P (A and B) = 0.25Find P (B)

Q: Brandybuck Insurance Company (BIC) is deciding whether to insure the lives of those leading a quest ...

A: From the given information, the probability of surviving such a quest is 94.0% and the probability o...

Q: Calculate the quotient for each of the following fractions: (1) 325/25 (2) 49/7 (3) 1,800/9 (4)...

A: Quotient:In an arithmetic operation, the quotient is the quantity that is obtained by the dividing t...