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Elanso [62]
2 years ago
12

1. -3 = (-1) + 43 • (-1) a. What operation will you do first?

Mathematics
1 answer:
Andrew [12]2 years ago
5 0

Answer:1/2 : 3/4 - fraction calculator. The result is 2/3 ≅ 0.6666667 = two thirds. ... How do you solve fractions step by step? Divide: 1/2 : 3/4

Step-by-step explanation:

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Answer:

x=-50

Step-by-step explanation:

31/25x=-62

x=-62/(31/25)

x=(-62/1)(25/31)

x=--1550/31

x=-50

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23,307,609 that is the answer
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Factories A and B produce computers. Factory A produces 3 times as many computers as factory B. The probability that an item pro
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Answer:

P(A∣D) = 0.667

Step-by-step explanation:

We are given;

P(A) = 3P(B)

P(D|A) = 0.03

P(D|B) = 0.045

Now, we want to find P(A∣D) which is the posterior probability that a computer comes from factory A when given that it is defective.

Using Bayes' Rule and Law of Total Probability, we will get;

P(A∣D) = [P(A) * P(D|A)]/[(P(A) * P(D|A)) + (P(B) * P(D|B))]

Plugging in the relevant values, we have;

P(A∣D) = [3P(B) * 0.03]/[(3P(B) * 0.03) + (P(B) * 0.045)]

P(A∣D) = [P(B)/P(B)] [0.09]/[0.09 + 0.045]

P(B) will cancel out to give;

P(A∣D) = 0.09/0.135

P(A∣D) = 0.667

7 0
3 years ago
What multiplies to 30 but adds to -7
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Step-by-step explanation:

The null hypothesis is

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The alternative hypothesis is

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The p value that he got is 0.1499. This is greater than alpha = 0.05 which is the given level of significance.

If the level of significance is lesser than the p value, we would accept the null hypothesis.

Therefore, the correct option is

No, these results are not statistically significant because p>0.05

6 0
3 years ago
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