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kaheart [24]
3 years ago
14

Please help me do this question​

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

Answer:

2/10

Step-by-step explanation:

Im pretty sure its 2/10

have a great day:)

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The line width used for semiconductor manufacturing is assumed to be normally distributed with a mean of 0.5 micrometer and a st
Alinara [238K]

Answer:

There is a 0.82% probability that a line width is greater than 0.62 micrometer.

Step-by-step explanation:

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}

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. The sum of the probabilities is decimal 1. So 1-pvalue is the probability that the value of the measure is larger than X.

In this problem

The line width used for semiconductor manufacturing is assumed to be normally distributed with a mean of 0.5 micrometer and a standard deviation of 0.05 micrometer, so \mu = 0.5, \sigma = 0.05.

What is the probability that a line width is greater than 0.62 micrometer?

That is P(X > 0.62)

So

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

Z = \frac{0.62 - 0.5}{0.05}

Z = 2.4

Z = 2.4 has a pvalue of 0.99180.

This means that P(X \leq 0.62) = 0.99180.

We also have that

P(X \leq 0.62) + P(X > 0.62) = 1

P(X > 0.62) = 1 - 0.99180 = 0.0082

There is a 0.82% probability that a line width is greater than 0.62 micrometer.

3 0
3 years ago
When five times a number is decreased by 4, the result is 26.<br> What is the number?
ikadub [295]

Answer:

5 x 6 = 30 - 4 = 26

so the answer is 6

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Carlo was baking cupcakes. The recipe called for 1.5 cups of sugar to make 24 cupcakes. How many cups of sugar will he need to m
IceJOKER [234]

Answer:0.75

Step-by-step explanation:12 is half of 24

Answer should be be half of 1.5

3 0
2 years ago
△JKL has vertices at J(−2, 4), K(1, 6), and L(4, 4). Determine whether △JKL is a right triangle
adelina 88 [10]

Answer:

Not a right triangle

Obtuse isosceles triangle.

Sides: J = 3.606   K = 6   L = 3.606

4 0
3 years ago
Read 2 more answers
22. MULTIPLE CHOICE What number is 0.02% of 50? (Skills Review Handbook) (A) 0.01 (B) 0.1 (C) 1 (D) 100
emmainna [20.7K]

Answer:

x = 1

Then the answer is C

Step-by-step explanation:

1) Set a linear equation

\frac{2}{100}  =  \frac{x}{50}

2) Cross multiply

100x = 2 \times 50

3) Multiple the right side

100x = 100

4) Divide both side by 2

\frac{100x}{100}  =  \frac{100}{100}

5) Solving the linear equation

x = 1

The answer is (C)

7 0
2 years ago
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