1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Annette [7]
3 years ago
12

A survey of the mean number of cents off that coupons give was conducted by randomly surveying one coupon per page from the coup

on sections of a recent San Jose Mercury News. The following data were collected: 20% 75c; 50c; 65c; 300; 55 40C; 40C; 30C; 55, $1.50; 400; 65; 40C. Assume the underlying distribution is approximately normal. a. b. c. d. Define the random variables X and X in words. Which distribution should you use for this problem? Explain your choice. Construct a 95% confidence interval for the population mean worth of coupons. i. State the confidence interval

Mathematics
1 answer:
Luda [366]3 years ago
5 0

Answer:

Explanation has been given in the attachment.

Step-by-step explanation:

You might be interested in
How to represent y=5x+40 with a table
Tems11 [23]
1 | 2.5
2 | 5
3 | 10
4 | 20
5 | 40
6 | 80
7 | 160
8 | 320
9 | 640

Hopes this helps!!!
5 0
3 years ago
Read 2 more answers
ANSWER PLEASE !!<br> -2x-5=10<br> 4x+2y=8<br> -6x+2y=12
son4ous [18]

Answer:

x= -15/2 y=-33/2

Step-by-step explanation:

i dont know how you want to solve it but if it is "system of equations" then first solve for the first variable in on e of the equations, then substitute the result into the other equation.

6 0
2 years ago
You get a $400 base salary for your job selling toasters. You also get a 2% commission on all your sales . If you had $390 in sa
timofeeve [1]

Answer:

$17,800 ?

Step-by-step explanation:

3 0
2 years ago
Express as a difference: a+b, a+5
Tcecarenko [31]

Answer:

a - (-b), a - (-5)

Step-by-step explanation:

A double negative negative is a positive, so a - (-b) = a + b, and a - (-5) is a + 5. However, a double negative is still a difference, so this answer works.

6 0
3 years ago
What is 4x9.4 SHOW YOUR WORK!!!
Anettt [7]

Answer:

37.6

Step-by-step explanation:

Multiply the numbers

8 0
2 years ago
Other questions:
  • Help me with this math
    5·1 answer
  • Lara solved an equation incorrectly, as shown below:
    9·2 answers
  • What is the Difference between Order of operations and Algebraic Expressions
    11·1 answer
  • Simplify the expression. 3(x + 6x2 − 3x − 3x2)
    13·1 answer
  • Emily can spend no more than $40.00 on a raincoat. Sales tax is 8.25% of the marked price. Can Emily afford a raincoat priced at
    5·1 answer
  • The square root of 10 belongs to what family of real numbers
    11·1 answer
  • Solve for a missing factor,
    10·2 answers
  • george is going to buy a used car that is 4,500. he is going to pay 3/4 of the car and his parents are going to pay the rest. ho
    14·1 answer
  • Anyone can help me out with this please
    15·2 answers
  • The image of point (−3, 5) under translation T is (6, -8). What is the image of point (4, 7) under the same translation?
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!