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5 individuals enter the ground floor of an elevator of a building which has 10 floors(9 floors above the ground floor).
NewSource Inc. uses natural gas in its production-processing operations. Neighboring companies in its upstate Ohio area have successfully drilled
When assigning probabilities of two simple events, can we assume that each event is always equally likely to occur and, thus assign .5 to each event?
Saint Paul's Hospital commissioned an independent study to determine if there was a difference between the quality of care provided by hospital-trained nurses
The manager of an Orange dealership keeps records on customers visiting the store. Records show that 40% of the people visiting the store are female
A major hat store chain is having a sale on three nationally known brands, A, B and C. Probabilities that Brand A, Brand B or Brand C will not be big sellers
The Smart Hospital released a study done by a prominent consulting firm. Out of a sample of 500 patients, the study listed the number of deaths
Two events, A and B are equally likely. The chance that either A or B happens on a given trial of an experiment is 0.70, while the chance
In each month, the proportion of "Prize" bonds that win a prize is 1 in 11000. There is a large number of prizes and all bonds are equally likely to win
A fair coin is tossed 100 times. The event that the number of heads obtained is less than 35 is denoted by A
A factory packs bolts in boxes of 500. The probability that a bolt is defective is 0.002. Find the probability that a box contains 2 defective bolts.
A random variable X has the following cumulative distribution function
Suppose that the blood types are independent and that both the husband and the wife follow this distribution of blood type.
Samples of size 49 are drawn from a population with a mean of 36 and a standard deviation of 15. What is the probability that the sample mean is less than 33?
Two boys play basketball in the following way. They make turns shooting and stop when a basket is made.
A record store owner wants to determine consumer tastes. She decides to observe customers in her store on a particular day and record the number of minute
The average profit per unit for Product A is $5.32, Product B is $7.98, and Product C is $9.69. If the percentages of each sold are 36, 29, and 35 respectively
The Wilhelms Cola Company plans to market a new pineapple-flavored cola this summer. The decision is whether to package the cola in returnable
A committee consists of five Chicanos, two Asians, three African Americans, and two Caucasions.
If 10% of the people who take a certain drug develop at least one of the side effects. Find the probability that in a sample of 20 people who take the drug:
Over a long period of time, it has been determined that 70% of Lawyers who take the bar examination pass the examination
What is the probability of rolling the number 4 (on one die) and the number 3 (on the other die) with a normal pair of dice if you roll the dice 100 times?
Suppose I have a 10-sided die. It's clear enough that the odds of rolling a 1 are 10% for any single roll.
For the eight compentecies listed above, what are the means and standard deviations? What two compentencies have the highest means?
A die is tossed 7 times, find the chance that