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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.
What is the value of the standard error?
Calculate the percent of total deaths from each cause, and display the results in a pie chart. From the death rate (per 100,000 population) for heart disease, calculate the population for Minnesota for the year 1991.
Assuming that all other variables are held constant describe how value of z is influenced by each of the following: If alpha level is changed from a = .05 to a = .01. What occurs to boundaries for the critical regions?
What is the purpose of export intermediaries? How can an export intermediary avoid circumvention by a client or customer?
Table below shows index of growth for some designated regions in the United States.
the number of goals scored in a hockey match between the home team x and the visiting team y respectively follows each
Determine a 95% confidence interval for true mean cost to repair this type of car.
assume the car can be purchased for 0 down for 60 months in lieu of rebate. a car with a sticker price of 42050 with
The Roller Products Company produces roller skates and skateboards. It has three production lines. Production line 1 makes skateboard platforms.
A brewery claims that the mean amount of beer in its bottles is more than 12 ounces. Determine the nature of the hypothesis test.
Is there any evidence the completion time variance is different from the intended variance? Use a = 0.05 and assume the underlying distribution is normal.
The weights of eggs produced on a farm are normally distributed with a mean of 1.4 ounces and a standard deviation of 0.4 ounces. How many 1200 eggs are within 2 standard deviations of the mean?
business travelers use laptop computers on overnight business trips. State the hypotheses and test the assumption that two third of business travelers use a laptop (α = 0.05).
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