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A negative option club has noted the number of days between billing and payment is normally distributed with a mean of 16 days and a standard deviation of 5 days.
a. What proportion of customers pay in 12 to 20 days after billing?
b. After how many days will 25% of all bills remain unpaid?
What is the probability that you get a seat that would fail the stress test if failing is a score of 6.2 or less and estimate of those population parameters
The president of the American Insurance Institute wants to compare the yearly costs of auto insurance offered by two leading companies.
q.nbspnbspstudents in a management science class have just received their grades on the first test. the instructor has
6 are won by peace and 4 are won by queen and 2 end in a draw. they agree to play a tournament consisting of 3 games. Find the probability that: 2 games end in a row.
in the linear regression model it was found that the 90 confidence interval for the regression coefficient b is 1.59.3.
Create a 95% confidence interval for the value of the population mean, given that their are 64 observations and a sample mean of 49, with a sample standard deviation of 3,test the hypothesis with an alpha equal to .05
Re item 4, assume the critical value for this test is 4.92, and you obtain a computed statistical value of 7.45. Is there evidence to refuse null hypothesis? Describe why or why not?
Illustrate a quantitative assessment of what our charts would look like and what these new targets would do to our operations.
question the international chef inc. markets three blends of oriental tea premium duke grey and breakfast. the firm
Examine the behaviour of 99% critical values for these degrees of freedom, and comment on the limits in this case.
The time a cashier spends processing individual customer's order are independent random variables with mean 2.5 minute and standard deviation of 2.
A teacher asked each of her students how many novels they had read in the previous six months. The results are shown below. Construct a frequency table for the number of novels read
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