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
Sedaia [141]
2 years ago
12

A test was done to look at the maximum speed of mopeds. They found that the maximum speed had a normal distribution with a mean

of 29 mph and standard deviation of 1.4 mph. Consider randomly selecting a moped.
a. What is the probability that the maximum speed is at most 31 mph?
b. What is the probability that the maximum speed is at least 29.8 mph?
c. What is the probability that maximum speed differs from the mean value by at most 1.5 standard deviations?
d. Suppose we select 49 mopeds, what is the probability that the sample mean will be at least 29.5 mph?
Mathematics
1 answer:
Ksenya-84 [330]2 years ago
8 0

Answer:

C

Step-by-step explanation:

You might be interested in
A certain type of nuts are on sale at $0.35 . Tamara buys 0.2 pounds of nuts . How much will the nuts cost
Law Incorporation [45]
Q: A certain type of nuts are on sale at $0.35 . Tamara buys 0.2 pounds of nuts . How much will the nuts cost

A: $1.75 simply type in “.35 divided by .2” this will give you one dollar and seventy-five cents
7 0
3 years ago
Read 2 more answers
Is it possible to draw an acute isosceles triangle with side lengths of 6 cm, 9 cm, and 12 cm and angles of 30°, 50°, and 100° ?
bagirrra123 [75]

Answer:

Yes

Step-by-step explanation:

A full triangle is 180 degrees. 100 + 30 + 50 = 180.

I hope you get it right! :D

(i hope i get brainlist)

5 0
2 years ago
Drag and drop the correct answer into each box to complete the proof.
Rudiy27
1. algebra x
2. _______ a -----------b _______c _________d

3. right angle
4. quadrilateral 
5. algebra project a
opposites
lines
angles
right angles
defines

4 0
3 years ago
What is |-8|? I really need help ​
velikii [3]

Answer:

8 is the correct answer

8 0
3 years ago
Dx+hy=j,forx   x=    thanx for any and all help
Crazy boy [7]
dx+hy=j \\ \\ dx = j-hy \ \ / : \ d \\ \\d\neq 0\\ \\x=\frac{j-hy }{d}


6 0
3 years ago
Read 2 more answers
Other questions:
  • Whoever gets it right gets brainlyess answer and it's worth 10 points
    14·2 answers
  • A circle has an area of 78.5 square inches. What is the diameter of the circle?
    6·2 answers
  • Find the slope of the line passing through the points (1, -10) and (4, 12)
    13·1 answer
  • 8. Fred is ordering pies for a family reunion. Each pie costs $4.50. For orders
    10·2 answers
  • Which of the following r one dimensional figures?
    13·1 answer
  • Tia cut a 4-meter 8-centimeter wire into 10 equal pieces. Marta cut a 540-centimeter wire into 9 equal pieces. How much longer i
    12·1 answer
  • Write a polynomial function that has the zeros -3, 1, -1 and has a leading coefficient of 1.
    14·1 answer
  • hhhhhhhhhhhhhhhhuuuuuuuuuuuuuuuurrrrrrrrrrrrrrrrrryyyyyyyyyyyyyyyyyyyyyyy ppppppppppppppllllllllllllllllllllllllllllllllllllllll
    13·2 answers
  • Find the value of x plz.
    14·1 answer
  • A cashier at the local bank expected to serve 12 customers every hour. In the past 15 minutes he served 4 customers. Assuming th
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!