The effectiveness of a blood-pressure drug is being investigated. An experimenter finds that, on average, the reduction in systolic blood pressure is 66.5 for a sample of size 25 and standard deviation 12.6. Estimate how much the drug will lower a typical patient’s systolic blood pressure (using a 90% confidence level). Assume the data is from a normal distributed population. Enter your answer as a tri-liner inequality accurate to three decimal places.

Barbara has a good credit history and is able to purchase a car with a low-interest car loan. she co-signs a car loan for her friend jen, who has poor credit history. then, jen defaults on the loan. who will be held legally responsible by the finance company and why? select the best answer from the choices provided. a. barbara will be held legally responsible because she has a good credit history. b. jen will be held legally responsible because she drives the car. c. barbara will be held legally responsible because she is the co-signer. d. jen will be held legally responsible because she has a poor credit history. the answer is a

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?

Given: circle o, cd is diameter, chord ab || cd. arc ab = 74°, find arc ca.