Fifteen SmartCars were randomly selected and the highway mileage of each was noted. The analysis yielded a mean of 47 miles per gallon and a standard deviation of 5 miles per gallon. Which of the following would represent a 95% confidence interval for the average highway mileage of all SmartCars

Shannon mary and john earn a weekly allowance ahannon earns the amount that is 2/3 of what john earns mary earns an amount that is 1 2/3 of what johns earns 20 dollars a week who eaens the greatest allowance and who earns the least

Match the functions with correct transformation. question 1 options: stretch by a factor of 4 shift to the left 3 shift up 3 compression by a factor of 4 shift to the right 1 shift to the left 1 compression by a factor of 1/2 reflection stretch by a factor of 1/2 shift to the right 3 shift down 3 functions 1. f(x) = 3^x 2. f(x) = |x-1| +3 3. f(x) = √(x+3) 4. f(x) = (x+1)²-3 5. f(x) = 1/2x^2 6. f(x) = 4|x| put the number of the function by the transformation

Aclothing store has just advertised at a bargain price, that a customer tries on a t-shirt is 0.40. a new range of t-shirts. the probability if a customer tries a t-shirt, the probability that they will buy it is 0.70 while if a customer does not try on a t-shirt, the probability that they will buy it is 0.15. a customer has just bought a t-shirt. find the probability that the customer did not try on the t- shirt.