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Alecsey [184]
3 years ago
10

Use the product-to-sum formulas to write the given product as a sum or difference.

Mathematics
1 answer:
saul85 [17]3 years ago
6 0

Answer:

l

Step-by-step explanation:

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Ask Your Teacher Consider a binomial random variable with n = 5 and p = 0.8. Let x be the number of successes in the sample. Eva
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Answer:

0.942 is the required probability.  

Step-by-step explanation:

We are given the following in the question:

x is a binomial random variable with n = 5 and p = 0.8.

Then,

P(X=x) = \binom{n}{x}.p^x.(1-p)^{n-x}

where n is the total number of observations, x is the number of success, p is the probability of success.

We have to evaluate:

P(x \geq 3) = P(x = 3) + P(x = 4) +P(x=5)\\\\= \binom{5}{3}(0.8)^3(1-0.8)^2 +\binom{5}{4}(0.8)^4(1-0.8)^1 +\binom{5}{5}(0.8)^5(1-0.8)^0\\\\= 0.2048 +0.4096+0.3276=0.942

0.942 is the required probability.

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3 years ago
−7x−3≤ 25
Ivahew [28]

and you graph it from -4 to the right with close circle

Hope this help

8 0
3 years ago
What is the rule? 87, 81, 75, 69, 63
shepuryov [24]
The answer is -6 if u suntract the numbers you can see.
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3 years ago
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Joey and Emily’s teacher gave them each a triangle divided into three parts a,b, and c which looked like the triangle shown belo
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3 years ago
A
Anika [276]

Based on the information, it should be noted that the value of x is 3 and the measure of angle HEB will be 27°.

<h3>How to illustrate the information?</h3>

It should be noted that complementary angles are the angles that are equal to 90°.

Therefore, based on the information given, the expression will be illustrated thus:

19x + 6 + 9x = 90°

Collect like terms

28x = 90° - 6°

28x = 84

Divide through by 28

28x / 28 = 84/28

x = 3

Therefore, the value of HEB will be:

= 9x

= 9 × 3

= 27°

Therefore, based on the information, it should be noted that the value of x is 3 and the measure of angle HEB will be 27°.

Learn more about angles on:

brainly.com/question/25716982

#SPJ1

5 0
1 year ago
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