Classof1: 424 books

The password of 52 digit sequence is made. It consists of 0 and 1. How many different possibilities exist for networks password? 

A test was conducted to determine whether gender of a spokesperson affected the likelihood that consumers would prefer a new product.  A survey of consumers at trade show employing a female spokesperson determined that 70 out of 150 customers preferred the product while 62 of 180 customers preferred...

"1. Estimate the population expenditure on clothing with 95% confidence. 2. Estimate the population expenditure on clothing with 99% confidence. 3. Describe the difference between your results in 1 and 2. "

Consider the following graph in which demand and supply are initially D and S, respectively. What are the equilibrium price and quantity? If demand increases to D1, what are the new equilibrium price and quantity? What happens if the government does not allow the price to change when demand increases?

"Suppose Bob owns 2,000 shares of Company X and 10,000 shares of Company Y.  The total value of Bob's holdings of these two companies is $340,000. Suppose Frank owns 8,000 shares of Company X and 6,000 shares of Company Y.  The total value of Franks holdings of these two companies...

"Families USA, a monthly magazine that discusses issues related to health and health costs, surveyed 20 of its subscribers. It found that the annual health insurance premiums for a family with coverage through an employer averaged $10,979. The standard deviation of the sample was $1,000. a....

The p-value for a test statistic is .085, what is the minimum level of significance required to reject the null hypothesis? a. 0.10 b. 0.05 c. 0.01 d. 0.085

A point is chosen at random on a line segment of length L. Find the probability that the longer line segment determined by this point is at least three times as long as the shorter segment.

A market research firm wants to estimate the level of recognition of a particular consumer product within a range of +/-3% with 95% confidence.  How many individuals will it need to sample to achieve this level of accuracy and confidence?

"1. Sharanda is tiling the wall behind her bathtub. The area to be tiles measures 48inches by 60 inches. What is the largest square tile she can use and not have to cut any tiles 2. There are 84 turkey & 63 ham sandwiches to be placed on trays. Each tray should have one kind of sandwich...

Martin Motors has in stock three cars of the same make and model. The president would like to compare the gas consumption of the three cars (labeled car A, car B, and car C) using four different types of gasoline. For each trial, a gallon of gasoline was added to an empty tank, and the car was driven...

The odds of a particular football team winning the next game are 5 to 3. Determine the probability that the football team wins the next game.

A PGA (Professional Golf Association) tournament organizer is attempting to determine whether hole (pin) placement has a significant impact on the average number of strokes for the 13th hole on a given golf course. Historically, the pin has been placed in the front right corner of the green and the...

"Find the inverses of the matrices "