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emmasim [6.3K]
3 years ago
15

Does anyone know the answer to this? REPLY QUICKLY PLZ

Mathematics
1 answer:
sweet-ann [11.9K]3 years ago
6 0

Answer:

I believe you multiply 18 and 6 so most likely your answer is 108 because 18 x 6 is 108

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One number is 5 times another. If their<br> difference is 96, find the numbers.
earnstyle [38]

Answer:24

Step-by-step explanation:

24*5=120.

So the difference between 120-24=96.

4 0
3 years ago
Each contestant in the Hunger Games must be trained to compete. Suppose that the time it takes to train a contestant has mean 5
LiRa [457]

Answer:

11.51% probability that it will take less than 450 days to train all the contestants.

Step-by-step explanation:

To solve this question, we need to understand the normal probability distribution and the central limit theorem.

Normal probability distribution

When the distribution is normal, we use the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

Central Limit Theorem

The Central Limit Theorem estabilishes that, for a normally distributed random variable X, with mean \mu and standard deviation \sigma, the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean \mu and standard deviation s = \frac{\sigma}{\sqrt{n}}.

For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.

For the sum of n variables, the mean is \mu*n and the standard deviation is s = \sigma\sqrt{n}

In this question:

n = 100, \mu = 100*5 = 500, s = 4\sqrt{100} = 40

Approximate the probability that it will take less than 450 days to train all the contestants.

This is the pvalue of Z when X = 450.

Z = \frac{X - \mu}{\sigma}

By the Central Limit Theorem

Z = \frac{X - \mu}{s}

Z = \frac{450 - 500}{40}

Z = -1.2

Z = -1.2 has a pvalue of 0.1151

11.51% probability that it will take less than 450 days to train all the contestants.

8 0
3 years ago
Jamie puts $500 into a savings account that has an interest rate of 1% how much will be in her account after 6 years?
IgorLugansk [536]

Step-by-step explanation:

interest:

500 \times \frac{1}{100}  \times 6 = 30

Total=500+30=530

4 0
3 years ago
Simplify (-5i)+(5-1)+6
Liono4ka [1.6K]

Hi there


-5i + 5-1 + 6

= -5i + 11- 1

= 5i + 10

That's the answer :0

I hope that's help... Do you have any question ?

5 0
3 years ago
Elizeabeth bought a necklace that has a mass of 35 grams which measure is equivlent to 35 grams
Reptile [31]
If you were to convert the measure of grams to kilograms it would me 35 grams= 0.035 grams
6 0
3 years ago
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