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A trick coin has been weighted so that the probability of heads is 0.8 and the probability of tails is 0.2.
a. If you toss the coin 100 times, how many heads would you expect on the average?
b. What is the probability of obtaining at least 92 heads in 100 tosses?
Determine the greatest acceleration with which the 1-Mg forklift can raise the 750kg crate withour causing the wheels at B to leave the ground. the centers of mass for the forklift and the crate are located ar G1 and G2 respectively.
Here is a two-way table showing enrollment data for full-time undergraduate students in U.S. colleges and universities. The entries are thousands of students:
On a test with a population mean of 75 and standard deviation equal to 16, if the scores are normally distributed, what percentage of scores fall below a score of 83.8?
It is a striking fact that the first digits of numbers in legitimate records often follow a distribution known as Benford's Law, shown below.
Binomial distribution for large values of the number of trials, n. Suppose that Y has a binomial distribution with n trials and probability of success on any one trial denoted by p. How we can obtain P (Y B)?
Cores on two tests have a bivariate normal distribution; and that correlation of 2 scores is 0.8. Determine the probability that sum of the student's scores on 2 tests will be greater than 200?
a pharmaceutical company knows that approximately 5 of its birth-control pills have an ingredient that is below the
problem 1 a small factory consists of a machining center and inspection station in series. unfinished parts arrive to
According to the National Football League, the average salary for players for the 2010 season was about $1.9 million while the median salary is around $770,000. Why are both numbers reported? What might the difference between the two statistics me..
What is the probability that a person who has submitted one entry will win the following?
A new car salesperson knows that he sells cars to one customer out of 20 who enter the showroom. The probability that he will sell a car to exactly two of the next three customers is?
A salesperson contacts eight potential customers per day. From past experience, we know that the probability of a potential customer making a purchase is .10. What is the probability the salesperson will make exactly two sales in a day?
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