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
Dmitrij [34]
3 years ago
13

Suppose the life of a particular brand of calculator battery is approximately normally distributed with a mean of 75 hours and a

standard deviation of 10 hours. If the manufacturer of the battery is able to reduce the standard deviation of battery life from 10 to 9 hours, what would be the probability that 16 batteries randomly sampled from the population will have a sample mean life of between 70 and 80 hours
Mathematics
1 answer:
Orlov [11]3 years ago
3 0

Answer:

idek

Step-by-step explanation:

You might be interested in
PLEASE HELP ME THIS IS FOR A TEST GRADE !!!!! AND I NEED HELP ASAP
kicyunya [14]

g(t) = t - 2\\h(t) = 3t + 3\\(g \circ h)(t) = g(h(t)) = (3t + 3) - 2 = 3t + 3 - 2 = 3t + 1

6 0
3 years ago
Read 2 more answers
The graph shows the relationship between the number of pounds of pears purchase and the total cost of the pears.
Katarina [22]
The answer is $1.75 because that’s what the graph shows per pound of pears
6 0
3 years ago
I need the answer to this❤️
KATRIN_1 [288]

Answer:

5/2x, 5/2 y

Step-by-step explanation:

An enlargement means the scale factor must be greater than one

The only choice with a scale factor greater than one is 5/2x, 5/2 y

5 0
3 years ago
You win a prize at a carnival. You can pick 5 prizes off the first shelf, 3 prizes off the second shelf, or 1 prize off the thir
liubo4ka [24]
You have 50 ways because if there are 10 different types of prizes with 5 prizes you can just multiply that to get your different ways to select the prizes.
6 0
3 years ago
Read 2 more answers
A beach ball a radius 15 centimeters what is the volume of the beach ball?
sladkih [1.3K]

Answer:

volume = 4/3 (pi x r^3)

Volume = 4/3 (pi x 15^3)

Volume = 4/3 (3.14 x 3375)

Volume = 14130 cubic cm

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Other questions:
  • Write a linear function f with the values f(-6) = 10 and f(2) = 10
    13·1 answer
  • Which quantity is larger? A) 100500 B) 1000300 C) They are equal. D) Insufficient information.
    11·1 answer
  • Is 8456 mL greater than 9L
    11·2 answers
  • In ³_/13, the 13 is called the:<br>radical sign<br>radicand<br>radical<br>index​
    10·2 answers
  • Which of the following is being constructed in the image below?
    6·1 answer
  • Challenger Middle school has 800 students. Every Wednesday, 12% of the students stay after school for chess club. How many Stude
    12·1 answer
  • If you put the Pi key into the calculator instead of 3.14 will you get a different answer or the same answer you get using eithe
    15·1 answer
  • Richard had his car repaired at a body shop.
    13·1 answer
  • Help plzzzzzzzzzzzzzz ​
    8·1 answer
  • Solve the inequality. -1/3w ≤ -5​
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!