A survey of a group of college students was done to find out how students get to school for the school year. 15% of those surveyed were from out of state. Of those that were instate, 56% used a car as their primary form ...

Let x = age in years of a rural Quebec woman at the time of her first marriage. In the year 1941, the population variance of x was approximately σ 2 = 5.1. Suppose a recent study of age at first marriage for a rand ...

Blooper Industries must replace its magnoosium purification system. Quick & Dirty Systems sells a relatively cheap purification system for $15 million. The system will last 5 years. DoItRight sells a sturdier but more ...

How does sampling distribution from an area such as business, and sports, used in marketing

How can a graph or chart of data help you understand the results? What is a frequency table? Describe an example where a frequency table can be used in life.

Consider a machine with exponential reliability model. Assume that the breakdown rate is 1 and the repair rate is 2. Calculate the probability that the machine is up for more than 10 units of time. Calculate the probabil ...

A calculus student takes a 20 question multiple choice test with five answer choices for each question. Find the probability of getting atleast 70 percent of the question correct? Suppose a family has 5 children and that ...

A fish tank in a pet store has 23 fish in it. 11 are orange and 12 are white. Determine the probability that if we select 4 fish from the tank, at least 2 will be white.

Folgers has specified that the average amount of coffee that goes into one of their small coffee cans is not to exceed 13.24 ounces. A quality control inspector for Folgers takes a random sample of 16 cans and found the ...

Many high school students take the AP tests in different subject areas. In 2007, of the 144,796 students who took the biology exam 84,199 of them were female. In that same year, of the 211,693 students who took the calcu ...

