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mixer [17]
3 years ago
5

Find the volume please, worth 20 pts I need answers asap:')​

Mathematics
1 answer:
arlik [135]3 years ago
6 0
864.875 inch^3
Base x height
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A factory makes car batteries. The probability that a battery is defective is 1/14. If 400 batteries are tested, about how many
Rufina [12.5K]

Answer:

28.6, that is, about 29 are expected to be defective

Step-by-step explanation:

For each battery, there are only two possible outcomes. Either it is defective, or it is not. The probability of a battery being defective is independent of other betteries. So the binomial probability distribution is used to solve this question.

Binomial probability distribution

Probability of exactly x sucesses on n repeated trials, with p probability.

The expected value of the binomial distribution is:

E(X) = np

The probability that a battery is defective is 1/14.

This means that p = \frac{1}{14}

400 batteries.

This means that n = 400

How many are expected to be defective?

E(X) = np = 400*\frac{1}{14} = 28.6

28.6, that is, about 29 are expected to be defective

3 0
3 years ago
If the food bill is $38.92, then what would the tip be if you want to leave a tip of 15%?
Sphinxa [80]

Answer:

$5.84

Step-by-step explanation:

8 0
2 years ago
400 is 75% of what number?
spin [16.1K]

Answer:

534  

Step-by-step explanation:

3 0
3 years ago
Start and arguement in the comments LOL
lys-0071 [83]

Answer:

Bro u need to shu.t up all ready

Step-by-step explanation:

7 0
3 years ago
4p - 5 = 19 i need the steps to solve it
stiks02 [169]

Answer:

Hi, there your answer will be p=6

Step-by-step explanation:

Step 1: Add 5 to both sides.

4p−5+5=19+5

4p=24

Step 2: Divide both sides by 4.

\frac{4p}{4} =\frac{24}{4}

p=6

7 0
2 years ago
Read 2 more answers
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