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A company fills bags with fertilizer for retail sale. The weights of the bags of fertilizer have a normal distribution with a mean weight of 15 lbs and a standard deviation of 1.70 lbs. What is the probability that a randomly selected bag of fertilizer will weigh between 13 and 16 pounds?
Calculate both Z scores that you will use for this problem. Show your work
Use the two calculated Z scores along with the Z table to calculate the probability that a randomly selected bag of fertilizer will weigh between 13 and 16 pounds:
Students at a major university are complaining of a serious housing crunch
Rolling a die Simulate 36 rolls of a fair die. Give the relative frequency and the corresponding theoretical probability of each of the outcomes and compare them.
the accompanying diagram depicts a five step worker-paced headphone manufacturing plant. the headphones are meant to be
Determine SSE, SS (Total) and the explained sum of squared variation SSR and find the estimated y intercept slope and write the regression equation.
Based on your SPSS analysis, report the results using correct APA format. Include results for post hoc tests where appropriate. Your report should include the following:
a panel of economists provided forecasts of the u.s. economy for the first six months of 2007 the wall street journal
At the 0.01 level, is the bank loan financially sound (should the bank ask for additional collateral)? What is the decision rule?
2 cards drawn from a 52 but before the second card is drawn you put the first one back and reshuffle the deck. Are the outcomes on the two cards independent and why?
a random sample of 81 students at a local university showed that they work an average of 60 hours per month with a
Frequently, tests that yield abnormal results are repeated for confirmation. What is the probability that for a normal person a test will be at least 1.5 times as high as the upper limit of normal on two seperate occasions?
using one mean t test to determine whether or not to support the claim.the t-test ia another hypothesis test that works
Discuss why the independent t-test is called independent. What does this analysis have to do with variance within and between groups?
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