In a random sample of 40 refrigerators, the mean repair cost was $150. Assume the population standard deviation σ = $15.5. Construct a 99% confidence interval for the population mean repair cost. Interpret the interval in the context of the problem.

Write an introductory paragraph for this corrie ten boom and her family were faced with some difficult choices after hitler came to power. some family members paid the ultimate price. write a carefully thought-out paper of at least 200 words dealing with the following concepts: --how should a christian act when evil is in power? --what do you think it would be like to live in an occupied country? remember to proofread anything you write thoroughly.

Anna is constructing a line segment that is congruent to another segment ab. for the construction, which tool should be used to mesure segment ab

The length of a rectangle plus its width is 24 cm. the area is 143 square cm. what are the length and width of the rectangle?