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A new, simple test has been developed to detect a particular type of cancer. Each of the 2,000 adults and finds (by other means) that 3% have this type of cancer. Each of the 2,000 adults is given the test, and it is found that the test indicates cancer in 98% of those who had it and 1% of those who do not.
What is the probability of a person having cancer given that the test does not indicate cancer?
Find out if the population monthly expenditure mean is less than $212. The level of significance selected is 1% and 26 accounts are sampled. What is the critical value?
a study commissioned by a clothing manufacturer measured the waist size of 250 men finding a mean of 36.33 inches and a
q1.a study has shown that the interpupillary distance for all adult males is normally distributed with a mean of 65 mm
What percentage of personal checking account customers carry average daily balances in excess of $800? What percentage of the banks customers carries average daily balances below of $200?
an accounting firm has been hired by a large computer company to test whether the proportion of accounts receivables
the indicator that results in total revenues being equal to total cost is called
The National Turkey Association wants to experiment with three different feed mixtures for very young turkeys. Since no experience exists regarding the three mixtures, no assumptions can be made about the distribution of weights.
one measure of the risk or volatility of an individual stock is the standard deviation of thetotal return capital
Assume that demand for the upcoming weekend is normally distributed with a standard deviation of 30.
Eight randomly selected plants have heights 172, 156, 154, 163, 170, 169, 170 and 164 cms. Test whether the sample standard deviation differs significantly?
a recent report by the american medical association stated the average annual salary of psychiatrists is 189121 with a
a random sample of 160 commercial customers of paymor lumber revealed that 32 had paid their accounts within a month of
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