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Letter envelopes are packaged in boxes of 100. It is known that, on average, the envelopes weigh 1 ounce, with a standard deviation of 0.05 ounces.
-What is the probability that 1 box of envelopes weighs more than 100.4 ounces?
-For how many boxes the standard error of the average weight of boxes of envelopes is 0.0083?
Inform your data scientist that there is no way this can be true. Determine when the next flood warning will be, and reinvest in your company's stocks.
If the t ratio for the slope of a simple linear regression equation is equal to 1.614 and the critical value of the t distribution at the 1% and 5% levels of significance, respectively, are 3.499 and 2.365 is the slope:
Roundoff errors. Suppose you balance your checkbook by rounding amounts to the nearest dollar. Between 0 and 49 cents, drop the cents: between 50 and 99 cents.
Create a histogram of the time until first failure for this type of disc player. Then find a 95% confidence interval for the mean time until failure.
1. Formulate the above problem as a LP problem. 2. Can the above problem be solved graphically? Why or why not?
1) Find the z-scores that correspond to each value 2) Determine whether any of the values are unusual.
Suppose that a basketball player can score on a particular shot with probability .3. Use the central limit theorem to find the approximate distribution of S.
A lurking variable. The effect of a lurking variable can be surprising when individuals are divided into groups.
Calculate the row percentage for freshman females and explain what it means.- Calculate the column percentage for freshman females and explain what it means.
according to the mampm company each package of plain mampms should contain 24 blue 14 brown 16 green 20 orange 13 red
What does this theorem allow you to do that traditional statistics do not? What are some prerequisites for using Bayesian statistics?
If the tax rate is 27%, what is the amount of operating cash flow (OCF) each year? Answer to the nearest dollar, for example 102.
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