# Question: Crackers Boxes of crackers are filled by a machine The

Crackers: Boxes of crackers are filled by a machine. The weights of a random sample of 25 boxes of crackers have standard deviation s = 5 grams. Assume the weights are normally distributed. Can you conclude that the population standard deviation is less than 10 grams? Use the a = 0.05 level of significance.

## Answer to relevant Questions

A housing official in a certain city claims that the mean monthly rent for apartments in the city is more than $1000. To verify this claim, a simple random sample of 40 renters in the city was taken, and the sample mean rent ...Power: A test of Ho: p = 100 versus If f. p > 100 will be made at a significance level of a = 0.01. The population standard deviation is a = 50 and the sample size is n = 75. Find the power of the test against the ...If there have been no temperature trends over the years, then it will be equally likely for the record high or the record low to be more recent. If there has been a warming trend, it might be more likely for the record high ...The following TI-84 Plus calculator display presents a 95% confidence interval for the difference between two proportions. a. Find the point estimate of pt —p2. b. Fill in the blanks: We are 95% confident that the ...Dueling scales: In an experiment to determine whether there is a systematic difference between the weights obtained with two different scales, ten rock specimens were weighed, in grams, on each scale. The following data were ...Post your question