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Fishing Northern Pike. Athabasca Fishing Lodge is located on Lake Athabasca in northern Canada. In one of its recent brochures, the lodge advertises that 75% of its guests catch northern pike over 20 pounds. Suppose that last summer 64 out of a random sample of 83 guests did, in fact catch northern pike weighing over 20 pounds. Does this indicate that the population proportion of guests who catch pike over 20 pounds is different from 75% (either higher or lower)? Use = 0.05.
If there is one-year warranty on the equipment, what proportion of the customers will actually make a valid warranty claim?
Is there a significant difference in mean fetal heart rates by position? Run the test at a 5% level of significance.
The germination success rate for begonia seeds is 60%. In a package of 200 seeds,
What is the probability that the team wins tonight and that there will be a large crowd at tomorrow's game?
Construct a 95% confidence interval for the difference in the proportions of women and men who have regular exercise programs.
A large electronics company wants to estimate the proportion of all households that own GPS machines. What sample size is required that would give the maximum error of 2.0% for a 95% confidence interval? An unscientific survey had a result of 30%.
Four brands of light bulbs are being considered for use in the final assembly area of the Saturn plant in Spring Hill, Tennessee. The director of purchasing asked for samples of 100 from each manufacturer.
The probability of error in the transmission of a binary digit over a communication [2] channel is 1=103. Write an expression for the exact probability of more than 3 errors when transmitting a block of 103 bits. What is its approximate value? Ass..
Farmers know that driving heavy equipment on wet soil compresses the soil and injures future crops. Here are data on the "penetrability" of the same type of soil at 2 levels of compression.
Determine the probability that gas tank's capacity is above 15.25 gallons?
Santa Fe black on white is a style of pottery that occurs in about 61% of the pot shards found in the Bandelier National Monument area.
Compute the median number of dependents?
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