Generate 1000 samples of size 350 from a binomial

Assignment Help Basic Statistics

Reference no: EM13615418

About two out of every three gas purchases at Cheap Gas station are paid for by credit cards. 350 customers buying gas at this station are randomly selected. Find the following probabilities using both the normal approximation to the binomial distribution with continuity correction and the binomial distribution.

(a) Find the probability that greater than 210 will pay for their purchases using credit card.

(b) Find the probability that between 120 to 210 will pay for their purchases using credit card.

(d) Generate 1000 samples of size 350 from a Binomial distribution with probability 2/3. Calculate the mean and standard deviation of the 1000 samples, and compare to the results in (c).

(e) Plot the density of the sample in (d), and compare it to the curve of Normal distribution with mean and standard deviation in (c).

Reference no: EM13615418

Questions Cloud

A researcher conducted an experiment on the effects of a : a researcher conducted an experiment on the effects of a new drug on depression. the researcher had a control group

The data are the times in minutes required to teach each : in a study designed to investigate whether chimpanzees could learn sign language four chimps were taught ten signs of

Test scores have a stadard deviation of 18 and a mean of 69 : test scores have a stadard deviation of 18 and a mean of 69. if at random 49 test scores are picked what is the

Use the one-proportion z-test to perform an appropriate : use the one-proportion z-test to perform an appropriate hypothesis test. be sure to check the conditions for using that

Generate 1000 samples of size 350 from a binomial : about two out of every three gas purchases at cheap gas station are paid for by credit cards. 350 customers buying gas

Construct a 90 confidence interval to estimate the average : the average selling price of blackberry smart phones purchased by a random sample of 35 customers in 2010 was 311.

Calculate the sampling error using the first 5 homes in the : jeff bollinger of prudential realtors has 20 residential listings under contract. the following table shows the number

Fifteen tobacco plants of the same age and genetic strain : fifteen tobacco plants of the same age and genetic strain were randomly assigned to three groups of five plants each.

Due to constraints of the design the experiment was run : an effective way to catch salmon commercially is by gill netting. traditionally gill netters hang long monofilament

User Account

All Pages