One of the important factors in auto safety is the weight of the vehicle. insurance companies are interested in knowing the average weight of cars currently licensed in the united states; they believe it is 3000 pounds. to see if that estimate is correct, they checked a random sample of 91 cars. for that group, the mean weight was 2919 pounds, with a standard deviation of 531.5 pounds. provide the: h0,ha, test statistic and approximate p-value. check all conditions and interpret your decision in the context of the claim. is this strong evidence that the mean weight of all cars differs from 3000 pounds at alpha= .01?

Will give find an equivalent function to f(x)=5(2)^3x. the 5(2)^3x means 5(2) to the 3x power answer choices: a: f(x)=125^x(8)^x b: f(x)=10^2x c: f(x)=40^x d: f(x)=5(8)^x

Will give brainliest plz hurry lexie surveyed 4 teenagers to find out approximately how many hours, per week, they read for fun, and how many siblings they have. brooke said she reads about 10 h a week for fun, and that she has 5 siblings. celia said she has 1 brother and 1 sister and reads for fun about 3 h each week. henry said he has 2 brothers and reads for fun about 30 min each week. jude said he doesn't read for fun and has 3 brothers and 3 sisters. use this information to complete the data table. express your answers as whole numbers or decimals. name hours of fun number of siblings brooke celia __ henry jude

Asurvey of 2,000 doctors showed that an average of 3 out of 5 doctors use brand x aspirin. how many doctors use brand x aspirin