The table below lists the prices from last year and the base year for a college-related basket of goods. Assume that the typical basket of goods for a college student consists of 200 gallons of gas, 60 pizzas, 45 6-packs, and 3 textbooks. Basket of College-Related Goods

Basket of Goods Price Base Year (dollars) Price Last Year (dollars)
Gasoline (per gallon) $ 1.40 $ 1.75
Pizza (per pizza) 3.75 7.70
Beer (per 6-pack) 3.95 6.70
Textbook (per book) 95.00 223.00

Instructions: Round your answers to 2 decimal places.

a. Using the values above, what is the rate of inflation between the base year and last year?

%

b. Assume that rather than buying textbooks for their courses last year, all students decided to buy online access cards at $100 per textbook. What is the rate of inflation between the base year and last year now

domain is all the x values included in the

0 ≤ x ≤ 2

range is all the y values of the graph

-2 ≤ y ≤ 2

***keep in mind that there are different ways to show domain and range

hope this !

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no

explanation:

you can be freinds, and people but not follow people.

6 equilateral triangles

irst, find the z score of a score of 80. this is given by the formula z = (x-u)/o, where x is the score, u is the mean, and o is the standard deviation. this gives

z = (80-78)/12 = 1/6 = .1667

now, find what percentile a z score of 1/6 correlates to in the normal distribution.

a z score of 1/6 = .1667 is equivalent to the 56.36th percentile of the distribution. so the probability a score is over this is 1-.5636 = .4364

the mean of a sample mean is equal to the original mean. however, the standard deviation of a sample mean is equal to the original standard deviation divided by the square root of n (sample size). so the new standard deviation is 12/sqrt(16) = 3.

the new z score is 80-78/3 = 2/3 = .667. this is equivalent to the 74.86th percentile. so the probability that the mean will be greater than this score is 1-.7486 = .2514.