Find the probability of mean and variance of x

Assignment Help Mathematics

Reference no: EM13187806

A bias coin is tossed four times. If probability of head in a single toss is 0.61, find the probability of

i. at most 1 head.
ii. at least 2 heads.
b. Suppose X is a binomial random variable with n = 10 and p = 0.5,find
i. mean and variance of X.
ii. P(X = 5).
iii. P(X <= 4).

Reference no: EM13187806

Questions Cloud

How to prepare the assignment as a word document attachment : In the late 1990s a growing number of economists argued that world policymakers were focusing too much on fighting inflation. The economists also argued that the technical level of potential output had risen. Show their argument using the AS/AD mo..

client and the OD practitioner : Explain how perceptions play a part in forming the relationship between the client and the OD practitioner. (At least 250 words)

What percentage of total sales will be spent on delivery : A bottle company estimated 155,000 on delivery cost alone this year, if the total cost estime is 668,000. what percentage of total sales will be spent on delivery.

An exploration in cultural relativity : What is your opinion about eating toasted ants, about eating fried frog legs, about eating puppies and kittens? About eating raw monkey brains? If you were reared in U.S. society, more than likely you think eating frog legs is okay; eating ants is di..

Find the probability of mean and variance of x : A bias coin is tossed four times. If probability of head in a single toss is 0.61, find the probability of

What is the cross elasticity of demand : When the price of good X falls from . 10 to . 9, the demand for good Y Increase from 20 Kg. to 25 Kg. a) What is the cross elasticity of demand of good Y for good X b) Are goods X and Y compliments or substitutes

Conditioned stimulus : A conditioned stimulus is repeatedly presented and always followed by an unconditioned stimulus. Will the animal necessarily develop a conditioned response? Why or why not?

Find new estimates using ten rectangles in each case : By reading values from the given graph of f, use five rectangles to find a lower estimate and an upper estimate for the area under the given graph of f from x = 0 to x = 40.

What percent of monthly charges are between $100 and $1100 : A major credit card company has determined that customers charge between $100 and $1100 per month. Given that the average monthly amount charged is uniformly distributed, what percent of monthly charges are between $100 and $1100?

User Account

All Pages