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1) Once a Woman won $1 Million in scratch off game from a lottery. Some years later, she won $1 million in another scratch off game. In the first game, she beat odds of 1 in 6.2 million to win. In the second, she beat odds of 1 in 805,600.
a) What is the probability that an individual would win 1 million in both games if they bought one scratch off ticket from each game?
b) What is the probability that an individual would win $1 million twice in the second scratch of
2) A diamond can be classified as either gem-quality or industrial grade. 87% of diamonds are classified as industrial-grade. (a) 2 diamonds are chosen at random. What is the probability that both diamonds are industrial-grade?
(b) 9 diamonds are chosen at random. what is the probability that all 9 diamonds are industrial-grade?
(c) what is the probability that at least 1 of 9 randomly selected diamonds is gem-quality?
(d) would it be unusual that at least 1 of 9 diamonds is gem-quality?
approximate the expectation and the variance of a random variable using simulations. we are able to approximate the
to evaluate the performance of a certain brand of alkaline battery researchers at a consumer testing laboratory measure
Tests it and then puts it to one side. this is repeated 5 times. What is the probabilty that none of the five tested were faulty?
Compare and contrast quantitative and qualitative research designs. Identify and discuss some advantages and disadvantages for each type of research.
1 the speeds of car traveling on interstate highway i-35 are normally distributed with a mean of 74 miles per hour and
What is the percentage of defective balls manufactured by the company? What did the answer indicate?
the average of chemical engineers is 39yrs with a standard deviation of 4rs. if an engineer firm employs 24 chemical
a businessman has two independent investments a and b available to him but he lacks the capital to undertake both of
Find the test statistic P-value, and critical value, and state the final conclusion.
A raffle offers a first prize of $1000 2 second prizes of $300 and 20 third prizes of $10 each. If 15000 tickets are sold at 75 cents each, find the expected winnings (IN CENTS) for a person buying one ticket?
i have been quoted 55 by another site can you beat that
You have two unbiased estimates, e 1 and e 2 , of a quantity with variances V 1 and V 2 respectively, and covariance Cov {e1,e 2 } = C. Form a new unbiased estimate:
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