subject
Mathematics, 19.05.2020 13:05 ashley968

Enter all answers to the nearest tenth.

A day care program has an average daily expense of $75.00. The standard deviation is $5.00. The owner takes a sample of 64 bills. What is the probability the mean of his sample will be between $70.00 and $80.00?
Step 1. Calculate a z-score for $70.00 -
Step 2. Give the probability for step 1. %
Step 3. Calculate the z-score for $80.00 +
Step 4. Give the probability for step 3. %
Step 5. Add the probabilities from steps 2&4. %

ansver
Answers: 3

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 12:30, barn01
The graph of f(x)=|x| is reflected over the y-axis and horizontally compressed by a factor of 1/9. write a formula for function g(x)
Answers: 1
image
Mathematics, 21.06.2019 18:20, raylynnreece5052
If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)
Answers: 1
image
Mathematics, 22.06.2019 00:30, def88
Efficient homemakers ltd. makes canvas wallets and leather wallets as part of a money-making project. for the canvas wallets, they need two yards of canvas and two yards of leather. for the leather wallets, they need four yards of leather and three yards of canvas. their production unit has purchased 44 yards of leather and 40 yards of canvas. let x be the number of leather wallets and y be the number of canvas wallets. draw the graph showing the feasible region to represent the number of the leather and canvas wallets that can be produced.
Answers: 1
image
Mathematics, 22.06.2019 03:00, jasmine3051
Find the area of the shaded region.
Answers: 1
You know the right answer?
Enter all answers to the nearest tenth.

A day care program has an average daily expense...

Questions in other subjects:

Konu
Mathematics, 06.11.2020 23:20
Konu
Mathematics, 06.11.2020 23:20