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Naily [24]
3 years ago
15

Please answer this questions ​

Mathematics
1 answer:
Evgen [1.6K]3 years ago
8 0

Answer:

i dont know that kind of math questions

Step-by-step explanation:

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If cos theta = 3/5 then tan theta =
algol13

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3 √5

Step-by-step explanation:

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A company's board of directors wants to form a committee of
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1∪ 2/3.....................

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A coin is flipped 50 times and lands on heads 32 times. What is the experimental probability the coin will land on heads on the
oee [108]
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3 years ago
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Subtract: (3m2 + 2n) – (m2 + 2n)
maksim [4K]
The negative in front of the second bracket means that it's times by -1 so each of their signs switches: 
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3 years ago
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Assume the random variable X is normally distributed with mean mu equals 50 and standard deviation sigma equals 7. Compute the p
defon

Answer:

P(X>34) = 0.9889

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 50

Standard Deviation, σ = 7

We are given that the distribution of random variable X is a bell shaped distribution that is a normal distribution.

Formula:

z_{score} = \displaystyle\frac{x-\mu}{\sigma}

P(X greater than 34)

P( X > 34) = P( z > \displaystyle\frac{34 - 50}{7}) = P(z > -2.2857)

= 1 - P(z \leq -2.2857)

Calculation the value from standard normal z table, we have,  

P(X>34) = 1 - 0.0111= 0.9889= 98.89\%

The attached image shows the normal curve.

4 0
3 years ago
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