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Dr Wu can cure colds with his 3 layer pills. They come in two sizes, regular and king size. Regular size contains 2 grains of aspirin, 5 grains of bicarbonate, and 1 grain of codeine. For king size, it is 1 grain of aspirin, 8 grains of bicarbonate, and 6 grains of codeine. Dr Wu shows that is requires at least 12 grains of aspirin, 74 grains of bicarbonate and 28 grains of codeine to affect his cure. Determine the least number of regular and king size pills he should prescribe to meet those requirements.
A few years ago, the Department of Education published information about education in the United States. It reported the average amount (dollars per student) spent by public schools in each state during the prior school year.
Test the hypothesis that = 800 hours against the alternative 800 hours if a random sample of 30 bulbs has an average life of 788 hours. Use a 0.04 level of significance.
a researcher wants to construct a 98 confidence interval for the proportion of elementary school students in seward
A cohort study was designed to look at the association of pesticides and the occurrence of childhood leukemia. Children living in rural areas were followed and leukemia rates were compared between those children living in areas with high and low p..
Your objective is to maximize the expected utility of your final fortune (after 4 bets). If you are a log-utility investor, determine the optimal policy and find the maximal expected utility.
Use the forecast to find the probability that in a random sample of 10 major bridges in the city, at least 3 will have an inspection rating of 4 or below in 2020.
Provide a descriptive analysis of the two variables (e.g., mean, standard deviation, minimum and maximum).
Does your client have a liability that should be recorded at December 31? Discuss. For what possible reason(s) might your client wish to postpone recording the transaction?
questions involve the random variable x with probability distribution given below. please show all
Correct answerThe "average" amount of error expected in predictions The number of cases that have a non-zero residual The strength of the correlation between X and Y
question for the last 29 years the operator of a toll bridge has kept records of the use of the bridge during
Credit card holders follows a normal distribution with unknown mean and known standard deviation of $90. what is the 99% confidence interval for the mean?
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