Mathematics, 29.06.2019 14:10 hairj9888
An economist uses the price of a gallon of milk as a measure of inflation. she finds that the average price is $3.82 per gallon and the population standard deviation is $0.33. you decide to sample 40 convenience stores, collect their prices for a gallon of milk, and compute the mean price for the sample. a. what is the standard error of the mean in this experiment? b. what is the probability that the sample mean is between $3.78 and $3.86? c. what is the probability that the difference between the sample mean and the population mean is less than $0.01? d. what is the likelihood the sample mean is greater than $3.92?
Answers: 1
Mathematics, 21.06.2019 21:30
Jude is making cement for a driveway. the instructions show the amount of each ingredient to make 1 batch of cement. complete each statement to adjust the ingredients for each new situation if jude uses these instructions.
Answers: 3
Mathematics, 22.06.2019 02:40
A) find the derivative of the inverse to f(x) = 3x + sint at x 6. b) (cale) find the derivative of the inverse to f(x)+3sin at x 6. if x +2y -34, ind he behaviar of the cure at 4,.3), c) a. increasing, concave up d. decreasing, concave down b. increasing, concave down e. decreasing, inflection point c. decreasing, concave up
Answers: 2
Mathematics, 22.06.2019 03:00
Jackson earns $25 per hour as a tutor at the college library. he set a weekly spending budget of $130 each week and puts the remaining money in his savings account. how many hours must he work this week to have at least an extra $50 to put in his savings account
Answers: 2
An economist uses the price of a gallon of milk as a measure of inflation. she finds that the averag...
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