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While a machine is properly calibrated, .5% output is defective, but when it is out of adjustment, 6 percent of the output is defective. The technician in charge of calibration can successfully cali
According to Best buy, 2/3 citizens have iPods. In a randomly selected group of 3 iPod owners, what is the likelihood that all 3 would iPods from best buy? Or at least one would have iPod from
On average a certain intersection results in 3 traffic accidents per month. What is the probability that for any given month at this intersection.
Find out the mean of following probability distribution?
An introductory psychology class has 9 freshman males, 15 freshman females, 8 sopho-more males, and 12 sophomore females. What is the likelihood of randomly selecting a male from this group.
Scores on an endurance test for cardiac patients are normally distributed with mean = 182 and standard deviation = 24.
Find out the regression line for predicting January temperature from latitude. Interpret value of slope for this regression. The latitude of LA is 34. Find out the predicted mean January tempera
Super Cola sales break down as 80 percent regular soda and 20 percent diet soda. While 60 percent of the regular soda is purchased by men, only 30 percent of the diet soda is purchased by men. If a
An Air Force study indicates that the probability of a disaster for example the January 28, 1986 explosion of the space shuttle Challenger was 1 in 35. The Challenger flight was the 25th mission.
Research on new juvenile delinquents revealed that 38 percent of them committed another crime. What is the likelihood that 40 or fewer of the delinquents will commit another crime.
Research on new juvenile delinquents revealed that 38 percent of them committed another crime. What is the probability that of the last 100 new juvenile delinquents put on probation, 30 or more woul
Side effects from drug A are known to happens in 10% of all patients who take it. A nurse practitioner has two patients who are taking drug A. Find out the probability that both experience si
The monthly sales of mufflers in the Richmond, VA area follow the normal distribution with a mean of 1200 and a standard deviation of 225. The manufacturer would like to found Inventory levels such
What is the likelihood of selecting a value at random and discovering that it has a value of less than 395 pounds.
A chemical plant has an emergency alarm system. When emergency situation exists, the alarm sounds with probability 0.95. When emergency situation doesn't exist, the alarm system sounds with probabil
Accrotime is a manufacturer of quartz crystal watches. Accortime researchers have shown that the watches have an average life of 28 months before certain electronic components deteriorate, causing t
Porphyrin is a pigment in blood protoplasm and other body fluids that is significant in body energy and storage. Suppose that the number of milligrams of prophyrin per deciliter of blood is approxim
Find out the minimum sample size for margin of error of 6 days and population standard deviation of 18 days using confidence level of 95% to determine an unknown population mean for number of days m
Supreme Chocolate claims its ice cream tastes so good you can distinguish it from all other brands of chocolate ice cream! Five different brands of chocolate ice cream (one of them Supreme Chocolate
A new postoperative procedure is administered to a number of patients in a large hospital. A researcher selected nurses and doctors and asked which procedure each person preferred.
What sample size would be needed to estimate the true proportion of American female business executives who prefer the title "Ms.", with error of ±0.025 and 98 percent confidence?
Suppose you have the experiment of pulling one card from a deck.
Write the probability distribution for the random variable, x, being the number of heads.
Write down the complete linear programming model (All three parts) to find out the number of items to be transported from models A, B, C, and D to nodes 1 and 2 at minimum cost. You don't have to so
Suppose you roll a 6 sided die 600 times and get a one 66 times, a two 150 times, a three 120 times, a four 78 times, a five 102 times, and a six 84 times.