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Scientists fear that polar bears are slowly starving due to their shrinking habitat. A healthy male polar bear weighs about 900 lbs. A new expedition was able to estimate the weight of 7 polar male polar bears. They found an average weight of 861 lbs with a standard deviation of 59 pounds.
Standard of error= 22. 3, degrees of freedom=6.
What is the t-statistic? (report to 3 decimal places)
Cosmic wimpout. In this game five dice are rolled. four of the dice have the same set of symbols and numbers on their faces the numbers are 5 and 10
A fair coin is thrown n times. Show that the conditional probability of a head on any specified trial, given a total of k heads over the n trials, is k/n (k > 0).
Assume that this percentage is based on a random sample of 800 French people. Give a 95% confidence interval for the population proportion in France that was against the European constitution.
Relief. A company's old antacid formula provided relief for 70% of the people who used it. The company tests a new formula to see if it is better.
a committee of 6 is to be randomly selected from a group of 8 women and 6 men.a joe and bill do not get along. what is
The American Association for Public Opinion Research (AAPOR) is an association of about 1600 individuals who share an interest in public opinion and survey.
Explain the difference between a game against nature and a strategic game.
What percentage of the value of the company's existing equity prior to the announcement is this expected gain or loss?
Determine the contribution margin in dollars, per unit, and as a ratio. Using the contribution margin technique, compute the break-even point in dollars and in
What is a linear relationship? How do linear and curvilinear relationships differ?
A person is given 4 coins each with equal and independent probabilities of being a nickel , a penny, a dime or a quarter. What is the probability the person has been 37 cents
Compute a 5% trimmed mean for the data, and compare it with the mean computed in part (a). (Round the answer to two decimal places.)
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