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A wheel with the following probabilities is spun:
A new component for an airplane is being manufactured. Each has a 70% probability of working properly. A sample of 8 components is sampled
Suppose a sequence of independent trials is performed where each trial results in either success or failure.
A bowl contains R red and W white chips. Suppose N chips are drawn without replacement from the bowl.
The camera department of a large department store sells three different brands of cameras: Proxima, Yakima, and Tetron
A group of day to day workers can work either 0 hours, eight hours or 12 hours at a pay rate of $9.75 per hour
Assume that you are the owner of a small business that employs two people on a telephone help desk. Records show that one of the employees is busy
The ages of the volunteer members of fire department are normally distributed with a mean of 36 and a standard deviation of 6. What is the probability
A wildlife biologist captures a certain species of geese in orer to weigh them. Using science, he determines that the weights are normally distributed
On February 8, 2002, the Gallup Organization released the results of a poll concerning American attitudes
A videotape store has an average weekly gross of $1,158 with a standard deviation of $120. Assuming this to be a normally distributed random variable
A survey revealed that 21.5% of the households had no checking account, 66.9% had regular checking accounts, and 11.6% had NOW accounts
Because of a recent incident in which a number of people became ill after eating undercooked hamburger meat, intensive interest has centered
The Census Bureau reports that 55% of all 3-to-5-year-old children attended preschool programs at least a portion of the day.
On any given day the number of leasable square feet of office space available in a small city is a normally distributed random variable witha mean of 850,000
A software distributor is considering whether to purchase a batch of 20,000 3.5" floppy disks at a flea market auction for 4 cents each
A retail grocer has decided to market organic "health food" and will purchase a new line of products from each of two suppliers
The city of a particular community consists of five elected residents of the community, two of whom are land developers.
Bill flips a coin that can land heads or tails, and you assign equal probabilities to each, with all flips mutually irrelevant
A person rolls a pair of six-sided dice, which are equally likely to come up any number from 1 to 6. If the person rolls a seven he gets $0.
Your troop's past cookie sales went sour last year. Parents had to bail you and your troop member out of the hole.
Find the value of (a) in the following discrete probability distribution:
At a computer manufacturing company, the actual size of computer chips is normally distributed with a mean of 1 centimeter and a standard deviation of 0.1
A southern state has an unemployment rate of 6%. The state conducts monthly surveys in order to track the unemployment rate
Determine if the normal approximation to the binomial distribution could be used for the following problems: