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Sedbober [7]
2 years ago
8

What is 345.00 divided by .072? (rounded by ten if possible)

Mathematics
1 answer:
Elodia [21]2 years ago
7 0

Answer:

4791.7

Step-by-step explanation:

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Consider the probability that greater than 96 out of 153 DVDs will work correctly. Assume the probability that a given DVD will
ICE Princess25 [194]

Answer:

0.3594 = 35.94% probability that greater than 96 out of 153 DVDs will work correctly.

Step-by-step explanation:

Binomial probability distribution

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

Can be approximated to a normal distribution, using the expected value and the standard deviation.

The expected value of the binomial distribution is:

E(X) = np

The standard deviation of the binomial distribution is:

\sqrt{V(X)} = \sqrt{np(1-p)}

Normal probability distribution

Problems of normally distributed samples can be solved using 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.

When we are approximating a binomial distribution to a normal one, we have that \mu = E(X), \sigma = \sqrt{V(X)}.

In this problem, we have that:

n = 153, p = 0.62

So

\mu = E(X) = np = 153*0.62 = 94.86

\sigma = \sqrt{V(X)} = \sqrt{np(1-p)} = \sqrt{153*0.62*0.38} = 6

Probability that greater than 96 out of 153 DVDs will work correctly.

97 or more DVDs, which is 1 subtracted by the pvalue of Z when X = 97. So

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

Z = \frac{97 - 94.86}{6}

Z = 0.36

Z = 0.36 has a pvalue of 0.6406

1 - 0.6406 = 0.3594

0.3594 = 35.94% probability that greater than 96 out of 153 DVDs will work correctly.

3 0
3 years ago
Please helpppppppppp
tekilochka [14]

y = sqrt(x) .... parent function

y = sqrt(x+2) .... replace x with x+2 to shift 2 units to the left

y = sqrt(x+2)+3 ... add on 3 to move 3 units up

y = sqrt(-x+2)+3 ... replace x with -x to reflect over y axis

<h3>Answer:   y = sqrt(-x+2)+3</h3>
5 0
2 years ago
You have 32 Tbsp of peppercorns. You need 0.25 teaspoons to make one serving of Cajun seasoning. How many servings can you make?
jonny [76]

Answer:

128

Step-by-step explanation:

32/0.25=128

3 0
2 years ago
Read 2 more answers
165% as a mixed numbers to simplest form
maksim [4K]
165% of what? If you mean 165% of 1, that's 1.65, which is 1 and 13/20
5 0
3 years ago
T/F I can take the square root of a negative number
Anvisha [2.4K]
1).  F
2).  T
3).  F
4).  F
5).  F

Bet you learned a lot from this answer !
6 0
3 years ago
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