Mathematics, 06.03.2020 16:45 skye2598
Sally gets a cup of coffee and a muffin every day for breakfast from one of the many coffee shops in her neighborhood. She picks a coffee shop each morning at random and independently of previous days. The average price of a cup of coffee is $1.40 with a standard deviation of 30¢ ($0.30), the average price of a muffin is $2.50 with a standard deviation of 15¢, and the two prices are independent of each other.
(a) What is the mean and standard deviation of the amount she spends on breakfast daily?
(b) What is the mean and standard deviation of the amount she spends on breakfast weekly (7 days)?
Answers: 3
Mathematics, 21.06.2019 15:30
Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.
Answers: 1
Mathematics, 21.06.2019 19:30
Solve the following inequalities and show the solution on a number line. 3/4 (2x-7) ≤ 5
Answers: 1
Mathematics, 21.06.2019 21:40
The point a is at –2 and the point b is at 7. marissa would like to divide this line segment in a 4: 3 ratio, and she would like to use the formula x = (x2 – x1) + x1. what values should she substitute into the formula? a = a + b = x1 = x2 =
Answers: 2
Mathematics, 21.06.2019 23:30
Which number is located at point a on the number line? a number line is shown from negative 10 to 10 with each interval mark on the number line representing one unit. point a is labeled one interval mark to the right of negative 5.
Answers: 1
Sally gets a cup of coffee and a muffin every day for breakfast from one of the many coffee shops in...
Mathematics, 23.07.2021 01:10
Mathematics, 23.07.2021 01:10
Mathematics, 23.07.2021 01:10
Biology, 23.07.2021 01:10
Mathematics, 23.07.2021 01:10
Law, 23.07.2021 01:20