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An engineer wanted to determine how the weight of a car affects gas mileages. The following data represent the weight of various cars and their gas mileage.
Car weight pound miles per gallon
A 3590 18
B 2690 26
C 3180 23
D 3565 20
E 3680 19
(a) Compute the linear correlation coefficient between the weight of a car and its miles per gallon. r = (.......) (Round to three decimal places as needed)
(b) Comment on the type of relation that appears to exist between the weight of a car and its miles per gallon based on the scatter diagram and the linear correlation coefficient.
Two dice are rolled. If the total is 5, then player A receives 4 points. If the total is 10, then player B receives 5 points. Find the expected value for each player.
Let m'(A) = inf sum of |M_i| where i is from 1 to infinity, such that A is a subset of M_i. M_i's are disjoint.
A windshield wiper is 18 inches long and has a blade 12 inches long. If the wiper sweeps through an angle of 130 degree, how large an area does the wiper blade clean? Round your answer to the nearest square inch.
using a suitable change of variables find the solution of 14y-4z234zyz21yz4e2z
Probability amd Mutually Exclusive Events, A fair dice is rolled. What is the probability of rolling an odd number OR a number less than 3?
Recent study of television viewing, 73% of first year college students stated that university well off financially is a very important personal goal. What is the probability that a similar study would have the same sample mean or higher?
y -x2there are many ways to go about solving math problems. for this assignment you will be required to do some work
in football teams can score 6 points with a touchdown 3 points with a field goal or 2 points with a safety.
A shipment of 7 television sets contains 2 defective sets. A hotelmakes a random purchase of 3 of the sets. If x is the number ofdefective sets purchased by the hotel, find the probability distribution of X.
What systems of equations can be solved by graphing or using substitution or elimination? Which method do you like best and why would it be different method. How would you answer this question?
What is the probability that it is orange? What is the probability that it is orange, given it is NOT red?
A check register shows the current cash balance to be $1,260.40. A check was written after this cash balance date for $193.84. Compute the new cash balance shown in the check register.
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