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The population proportion is .30. What is the probability that a sample proportion will be within .04 of the population proportion for each of the following sample sizes? All answers 4 digits to the right of the decimal. Q. n = 100 Q. n= 200 Q. n= 500 Q. n= 1000
The sample yielded a mean content of 11.88 ounces, with a standard deviation of 0.24 ounces. Use a 0.05 level of significance and test to see if the machine is in perfect adjustment (perform all six steps of hypothesis testing, including p-values)..
If sales follow a normal distribution with mean = 70,000 and st. deviation= 5,000 per day, how many loaves should Amazing bake daily?
How many bolts should be sampled in order to make us 95% confident that the sample mean bolt length is within .02 inches of the true mean bolt length?
What is the interpretation of the coefficients that emerge from the regression equation. Can you predict a change in the y variable given knowledge of the x variable?
Accidentally typed in error as a 415, what would be the impact on the following statistics? Answer with increase, decrease, or remain the same.
Debit card purchases are for more than $50. Ms. Tina Stevens just purchased a new dress that cost $120. What is the probability that she paid cash or check?
What is the 95% confidence interval for the standard deviation of birth weights at County General Hospital, if the standard deviation of the last 25 babies born there was 1.1 pounds.
In standard normal distribution standard deviation is always ___.
Create a 95% confidence interval for the population mean days absent for sickness based on this sample. Select the answer closest to your results.
Compute the projected profit for the order quantities suggestedby the management team under three scenarios: worst case in whichsales = 10,000 units, most likely case in which sales = 20,000units.
Is there evidence of a significant difference between males and females in the proportion who enjoy shopping for clothing at the 0.01 level of significance?
Houston is $19,900 and in Los Angelos is $21,800. What is the probability that a brand manager in Houston has a base salary in excess of $100,000?
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