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Normal curve approximation to the binomial distributionAssume the distribution is normal. Use the area of the normal curve to answer the question. Round to the nearest whole percent.
The average size of the fish in a lake is 11.4 inches, with a standard deviation of 3.2 inches. Find the probability of catching a fish longer than 17 inches.
A company installs 5000 light bulbs, each with an average life of 500 hours, standard deviation of 100 hours, and distribution approximated by a normal curve. Find the approximate number of bulbs that can be expected to last more than 400 hours.
Suppose 500 coins are tossed. Using the normal curve approximation to the binomial distribution, find the probability of 265 heads or more.
Solve the problem using the normal curve approximation to the binomial distribution.
A multiple choice test consists of 60 questions. Each question has 4 possible answers of which one is correct. If all answers are random guesses, estimate the probability of getting at least 20% correct.
Test the instructor's claim at a five percent level of significance. Write your conclusion?
Probability of sports, Eighty seven cities were surveyed to determine sports teams. The survey found that
using the substation Method or elimination Method. If you can show the work on how to solve these problem.
Find the validity of following argument form.
Important information about Probability and Expected Value. Assume that two marbles are drawn without replacement from a box with 1 blue, 3 white, 2 green, and 2 red marbles. Find the probability that the second marble is blue, given that the firs..
Find the percent of the dowels will have a diameter less than 0.56?
Probability: Odds of Winning a Raffle, If the odds of winning a raffle are 17:214, what is the probability of winning?
Calculate the value of the sample correlation coefficient between weekly sales & shelf space.
Statistical Probability: Emergency Call Rates. Let sample mean = 70 and the sample variance = 36 and assume the data is normally distributed. Use ths information to answer the following:
The expected gains & losses under each economic type of conditions are shown in the following table.
Find the break-even points and the maximum revenue.
Find the amount of the winning bid if there were 7 bidders.
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