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
hram777 [196]
3 years ago
9

a battery company manufactures batteries having life spans that are normally distributed, with a mean of 45 months and a standar

d deviations of 5 months. find the probability that a battery chosen at random will have each life span. a. 48-50 months b. 45-52 months
Mathematics
2 answers:
RSB [31]3 years ago
6 0
A is the correct answer
stepladder [879]3 years ago
4 0
I'd say (A) is the correct answer
You might be interested in
20 POINTSSSSSSSSSSS AND BRAINLIESTTTTTTTTTTTTTSSSSSSSSSSSSSS
Setler79 [48]
The answer is C!

2.5, move the decimal four places to the left. You are left with .00025
5 0
3 years ago
Read 2 more answers
2. Mulligan Mall has a square-shaped ice-skating rink as shown below. In the middle of the ice-skating rink there is a snack bar
gladu [14]

Answer:

2167 meters squared

Step-by-step explanation:

First find the area of the square ice skating rink: 47^2 = 2209.

Then, find the area of the triangle without ice by using 1/2bh: (12/2)(7)=42.

Simply subtract the triangle's area from the squares for the final answer of 2167 meters squared.

8 0
3 years ago
Read 2 more answers
1, 1, 2, 3, 5, 8, 13, 21, ___Justin loves solving number patterns. He completes one pattern every moring while he eats his cerea
kati45 [8]
Answer:

The correct option is A

The missing number is 34

Explanation:

By inspection, the third number is obtained by adding the two preceding numbers.

1 + 1 = 2

The next number is obtained by adding the two preceding numbers.

2 + 1 = 3

This continues as:

3 + 2 = 5

8 + 5 = 13

13 + 8 = 21

21 + 13 = 34

8 0
1 year ago
Express 4/20 as a percentage.​
KiRa [710]

Answer:

<h2><u><em>20%</em></u></h2>

Step-by-step explanation:

Express 4/20 as a percentage.​

4/20 = 1/5

100 * 1/5 = 20%

7 0
2 years ago
Read 2 more answers
A candle maker has 301.59 cubic centimeters (cm3) of liquid wax to make cone shaped candles. Each Candle has a circular base wit
Tatiana [17]

\bf \textit{volume of a cone}\\\\ V=\cfrac{\pi r^2 h}{3}~~ \begin{cases} r=radius\\ h=height\\[-0.5em] \hrulefill\\ r=1.5\\ h=5 \end{cases}\implies V=\cfrac{\pi (1.5)^2(5)}{3}\implies V=\cfrac{11.25\pi }{3} \\\\\\ V= 3.75\pi \implies V\approx 11.78~cm^3\qquad \leftarrow \textit{for one candle} \\\\\\ \stackrel{\textit{how many times does 11.78 go into 301.59?}}{301.59\div 11.78\implies 26}\qquad \leftarrow \textit{rounded up}

4 0
3 years ago
Read 2 more answers
Other questions:
  • PLEASE HELP What is the slope of the line passing through the points (-1, 7) and (4, - 1)?
    7·1 answer
  • Solve the equation -4(3x+2)=88
    7·1 answer
  • What is the probability that two people chosen at random were born on the same day of the week? b)What is the probability that i
    8·1 answer
  • Write out the form of the partial fraction decomposition of the function (as in this example). Do not determine the numerical va
    13·1 answer
  • Find the area of a circle with a circumference of 50.24units
    10·1 answer
  • A researcher gives a vitamin to half of the subjects in an experiment and a placebo (a pill with no active ingredient made to lo
    15·1 answer
  • A bag of marbles contains 4 green marbles, 3 blue marbles, 2 red marbles, and 5 yellow marbles. How many total possible outcomes
    7·2 answers
  • Stan makes $685 per week and Mark makes $41,250 per year. Who makes more?
    15·1 answer
  • In the first week of July a record 1120 people went to the local swimming pool in the second week 105 fewer people went to the p
    10·1 answer
  • In 3 3/4hours one day in February, it snowed 3 feet in Amarillo. How much snow fell per hour?
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!