Calculate the mean and the standard deviation for this binomial distribution
10 undergraduate Statistics Students are enrolled in class. If its known that the probability of passing his course (with a B or above) is 70%; calculate the mean and the standard deviation for this binomial distribution.
In the past few years out sourcing over seas has become more frequently used than before by U.S. companies. However, out souring is not with out problems. A recent survey indicates that 20% of the companies that outsource over seas use consultant. Suppose 7 companies that outsource are selected randomly (use formula)
a. What
Please explain the steps to solve the problems.
The number of correct answers on a 10 questions test has Binomial Distribution with parameters n= 10 p= 0.40:
16 Find P( X > 7):
A) 0.43 B) 0.013 C) 0.23 D) 0.68
17 Find the expected number (mean) of correc
1. Compute the following and show your steps. 3! ÷ (0!*3!)
2. Three members of a club will be selected to serve as officers. The first person selected will be president, the second person will be vicepresident andthe third will be secretary/treasurer. How many ways can these officers be selected if there are 30 club memb
All problems are to be computed by hand with work shown; type your work up in word.
Question 1: The length of human pregnancies from conception to birth varies according to a distribution that is approximately Normal with a mean of 266 days and standard deviation of 16 days.
•What percent of pregnancies last less than 240
Examples of thebinomialand Poisson distributions are all around us.
 Identify a reallife example or application of either thebinomial or poisson distribution.
 Specify how the conditions for that distribution are met.
 Suggest reasonable values for n and p (binomial) or mu (poisson) for your example.

If your age is an even number, circle: j = 4
If your age is an odd number, circle: j = 3
In problem part A below, j is your number of flights.
(my age is 37)
Binomial Probability Distribution: P(x) = nCx Ï?**x (1 â?" Ï?)**(nx) [63]
Where:
· C denotes a combination
· n is the number of trials
View the "Sampling Distribution of theMean" within a Multimedia Presentation.
InteliBoard Assessment
1. Themean of the sampling distribution is equal to
a. the population standard deviation
b. the sample mean
c. the sample standard deviation
d. the population mean
e. none of the above
2. The standard error of t
In the military, everything works of numbers. Recruiting is a good example of a binomialdistribution. I'll use NC Army National Guard for an example.
The NCARNG must have a set number of enlistments every year andthey get the requirement forthe year during October.
This year the number is: 2000 (so n = 2000), the 2 ou
For questions 15 use the random variable X with values x = 2, 3, 4, 5 or 6 with P(x) = 0.05x.
1. Determine P (x = 4).
a. 0.05 b. 0.10 c. 0.15 d. 0.20
2. Find P (x >= 4).
a. 0.60 b. 0.45 c. 0.75 d. 0.55
3. What is P (2 < x <= 5)?
a. 0.70
Assume a binomial probability distribution has µ=0.60 and n= 200
a. What is themeanand standard deviation?
b. Is this a situation in which binomial probabilities can be approximated by the normal probability distribution? Explain
c. What is the probability of 100 to 110 successes?
d. What is the probability of 130 or