Bell-shaped curve for sampling distribution of sample

Reference no: EM1318595

Q1) How does bell-shaped curve for sampling distribution of sample means for samples of size n =120 compare to bell-shaped curve for sampling distribution of sample means for samples of size n =95?

Q2) Let a binomial distribution with 14 identical trials, and probability of success of 0.4

i) Determine probability that x =3 using binomial tables.

ii) Utilize normal approximation to determine the probability that x=3.

Q3) Find out whether each of distributions given below represents probability distribution. Justify your answer

a) x 1 2 3 4

P(x) 1/4 5/12 1/3 1/6

b) x 3 6 8
P(x) 0.1 3/5 0.3

c) x 20 30 40 50
P(x) 0.2 -0.2 0.7 0.3

Q4) Four cards are chosen, one at a time from a standard deck of 52 cards. Let x represents number of aces drawn in set of 4 cards.

a) If this experiment is completed with no replacement, describe why x is not a binomial random variable.

b) If this experiment is completed with replacement, describe why x is a binomial variable.

Reference no: EM1318595

Questions Cloud

Registering user at directory service : Consider a user A who wishes to download the mp3 file with the title T.Describe how B is able to register anonymously at directory service (letting the service know that it has title T) such that A may use the directory service to receive the file..

Develop stress management seminar : Your first task is to develop a stress management seminar for the employees. Determine the topics that should be covered in the seminar. Support your selection of the topics.

Determining the probability with mild side effect : Determine the probability that: a) Exactly 3 will have this mild side effect.

Average or medians of the samples : Calculate the average or the median of the average or medians of the samples and compare it with the average of the population.

Bell-shaped curve for sampling distribution of sample : How does bell-shaped curve for sampling distribution of sample means for samples of size n =120 compare tobell-shaped curve for sampling distribution of sample means for samples of size n =95?

Distribution of the average or median of the sample : What can we say about the form or way of the distribution of the average or median of the sample?

Design configuration of building : Discuss the layout and design configuration of a building you would like to use to house your business, including how you would comply with the Americans with Disabilities Act.

Probability of success using binomial distribution : Consider binomial distribution with 14 identical trials, and probability of success of 0.4.

Write a recursive sql query : MCIS 630 Database Systems: - Write a recursive SQL query that outputs the names of all subparts of the part with part-id “P- 100”.

User Account

All Pages