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A Nissan Motor Corporation advertisement read, "The average man's I.Q. is 107. The average brown trout's I.Q. is 4. So why can't man catch brown trout?" Suppose you believe that the brown trout's mean I.Q. is greater than four. You catch 12 brown trout. A fish psychologist determines the I.Q.s as follows: 5; 4; 7; 3; 6; 4; 5; 3; 6; 3; 8; 5. Conduct a hypothesis test of your belief.
What is the mean, variance & standard deviation of contract award amount (in millions of dollars)?
If on the other hand, he believes that the probability that he will get offers from both companies is 0.5, what is the probability that he will get at least one offer from these two companies?
assume that the data has a normal distribution and the number of observations is greater than 50. find the critical z
Imagine that you have a portfolio of stocks. You want to compare the performance of your stocks to the market as a whole. You learn that the population mean,μ, of stock returns is 7%, and that the population standard deviation, σ, is 2%.
Dana and Cathy are playing tennis. The probability that Dana wins at least one out of two ames is 0.3. What is the probability that Dana wins at least one out of four?
Determine the average number of people you should ask in order to determine someone with same birtheday as yours.
Assuming that the goal of 4% undersized tomatoes is reached, what is the probability of getting no more than 1 undersized tomato in a randomly selected sample of 20 tomatoes?
What is the test statistic? Give answer to three decimal places What is the critical value? Give answer to three decimal places. The proper conclusion is to reject H0.
Find the mean, median, and range for each of the two data sets. b.Find the standard deviation using the rule of thumb for each of the data sets.
Suppose that the data in Table represent approximate distribution of blood type frequency in percentage of total population.
Suppose that the probability of getting an even outcome is 0.133 and the probability of getting a prime outcome is 0.422.
Give a 90% confidence interval for the mean "absolutely refractory period" for all rats of this strain when subjected to the same treatment.
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