In a study of the relationship between tv viewing and eating habits, a sample of 548 ethnically diverse students from massachusetts was followed over a 19-month period (pediatrics [2003]: 1321–1326). for each additional hour of television viewed per day, the number of fruit and vegetable servings per day was found to decrease on average by 0.14 serving. a. for this study, what is the response variable? what is the predictor variable? b. would the least squares regression line for predicting number of servings of fruits and vegetables using number of hours spent watching tv have a positive or negative slope? justify your choice.

investment b is an ordinary annuity with $3,909.64 in the account after one year.

step-by-step explanation:

all three statements are true

step-by-step explanation:

a shipping fee of 5% is charged online with every item purchased online

first let's just take each option and calculate them based on this, to see if the answers matched

keith buys a 40 dollar book

40 x 0.05 = 2

therefore there will be a two dollar fee on keith's book

40 + 2 =42

the first statement is true

a chair costs $80

80 x 0.05 = 4

80 + 4 = 84

the second statement is true

george buys a 20 dollar calculator

20 x 0.05 = 1

20 + 1 = 21

the third statements are true

all three statements are true