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
Over [174]
3 years ago
5

A factory makes car batteries. The probability that a battery is defective is 1/11. If 500 batteries are tested, about how many

are expected to be defective?
Mathematics
1 answer:
valentinak56 [21]3 years ago
3 0

Answer:

45.45 batteries

Step-by-step explanation:

The probability of any random battery being defective is 1 in 11, the number of expected defects in a population of 500 batteries is given by:

E= \frac{1}{11}*500\\E=45.45\ batteries

45.45 batteries are expected to be defective.

You might be interested in
If Ryan uses only 3/8 cup syrup out of the giant bottle each time he eats pancakes, how many times will he be able to eat pancak
elena55 [62]

Answer:

128 times

Step-by-step explanation:

Total cups = volume per meal × no. of meals

C = V × n

Divide each side by V

n = C/V = 48/(⅜)

Invert the fraction and multiply

n = 48 × ⁸/₃

Cancel 3s

n = 16 × 8  

Multiply

n = 128

Ryan can eat pancakes 128 times from his giant bottle without running out of syrup.

8 0
2 years ago
What is the inverse of y = x+3/4 ?<br><br> a. y=x-3/4<br> b. y=4x-3<br> c. y=4x+3<br> d. y= x-3/-4
viva [34]
Y = x + 3/4

x = y - 3/4

swap the variables:-

y = x - 3/4  (answer).   Its a.
4 0
3 years ago
Read 2 more answers
Jacks rent will increase $30 if he pays for $415 now how much will his new rent cost each month
shusha [124]

Jack's rent will increase to $445

5 0
2 years ago
What is the value of the n in this equation n + 16 = 21​
Verdich [7]

Answer:

n = 5

Step-by-step explanation:

Given

n + 16 = 21 ( isolate n by subtracting 16 from both sides )

n = 5

7 0
2 years ago
Read 2 more answers
The ground temperature at an airport was 10 degree temperature dropped 5 degrees for every 1000m above the ground. What was the
Mamont248 [21]
The ground temperature started at 10 degrees.
The rate was: for every 1000 meters (m) of going above the ground, the temperature dropped 5 degrees, meaning that it got cooler.
The ratio is 1000 meters to 5 degrees
So that would mean: 10-5-5-5-5-5=-15 degrees

3 0
3 years ago
Other questions:
  • A fence enclosing a rectangular pen 100 feet long and 80 feet wide has a post at each corner and a post every 10 feet along the
    5·1 answer
  • Shelly and Terrence completed a different number of tasks in a game. Shelly earned 90 points on each task. Terrence's total poin
    9·2 answers
  • - (A) The following data was received from the Student Affairs Unit of the University
    11·1 answer
  • PLZ HELP WITH THIS!!!! IM TIMED AND NEED CORRECT ANSWERS
    9·1 answer
  • 1. State the degree of the following polynomial:<br> x4y3
    11·1 answer
  • Determine this systems of equations no solution, one solution, infinitely many solutions
    9·1 answer
  • What is the distance from the origin to point A graphed on the complex plane below?
    8·1 answer
  • Annuity due <br> $1,000,000<br> 3 years <br> 6.1%<br> Compounded semianually
    5·1 answer
  • What slope of this line <br> x 9 13 17 21<br> y -24 -21 -18 -15
    13·1 answer
  • What single percentage change is equivalent to a 14% increase followed by a 11% decrease?
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!