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If the probability of having a boy is .47, find the following
A pharmaceutical company conducted a study to evaluate the effect of an allergy relief medicine. 200 patients with symptoms that included itchy eyes
A situation is presented where you have to pick the queen out of 3 cards, the other two are Aces. The person running the game asks you to pick a card
The contingency table below shows average yield (rows) and average duration (columns) for 38 bond funds.
Two cards are drawn from an ordinary deck of 52 cards find the probability of each event showing your reasoning carefully
Landrum Airline flies the route between Chicago and Pittsburgh. The mean number of passengers per flight is 160 with a standard deviation of 20
Fast Service Truck Lines uses the Ford Super Duty F-750 exclusively. Management made a study of the maintenance costs and determined the number of miles
WNAE, an AM station totally dedicated to deliver news, found that while the Distribution of listeners tune in the station follows the normal Distribution.
A normal population has an average of 80 and a standard deviation of 14.0.
According to an Internet posting, 80% of adults enjoy drinking beer. If a group of 3 adults is selected at random, find the probability that none of them enjoy
A Motor Company has purchased steel parts from a supplier for several years and has found that 10% of the parts must be returned
A certain college's men's basketball team is quite accomplished at making free throws.
M&M plain candies have a mean weight of 0.9147 g and a standard deviation of 0.0369 g
There are five computers in an office. The probability of failure of a computer is 0.3. What is the probability that (a) there are 3 computers working
Assume that the population of heights of male college students is approximately normally distributed with a mean "m" of 68 inches and standard deviation
The power of a statistical test is: The power of a statistical test is:
The Director of Emergency Medicine at Big Mountain Medical Services is studying patient waiting time. Waiting time is defined as the time
According to a study the popular belief is 80% of adults enjoy drinking beer. If 3 adults were chosen at random from this study, what would the probability
Nick has plans to open some pizza restaurants, but he is not sure how many to open. He has prepared a payoff table to help analyze the situation.
A final exam in Sociology has a mean of 72 and a standard deviation of 9.2. If 35 students are randomly selected
SOB's systolic blood pressure is a random variable with a mean of 145 mmHG and a standard deviation of 20mmHG.
A search engine site claims that, on average, one out of five visitors clicks on an ad.
When writing about the probability that it will rain in Boston on July 4 of next year, a newspaper reporter
(Expected portfolio return) Musumeci Capital Management has invested its portfolio as shown here. What is Musumeci's expected portfolio return?
Lotto, a lottery game conducted by the Ohio State Lottery Commission, consisted of selecting six numbers from the 42 numbers 1, 2, ...,41, 42.