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Aleonysh [2.5K]

2 years ago

5

Find the value of g(5) if someone help asap PLEASE

1 answer:

kupik [55]2 years ago

8 0

Answer:

5

Step-by-step explanation:

when x is between -3 and +6 the answer is '5'

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Manufacture of a certain component requires three different machining operations. Machining time for each operation has a normal

faust18 [17]

Answer:

The probability is $P(X \le 70) = 0.9685$

Step-by-step explanation:

From the question we are told that

The mean values is $M_1 = 15 \ minutes , \ M_2 = 30\ minutes, \ M_3 = 20 \ minutes$

The standard deviation is $\sigma_1 = 1 \ minutes , \ \sigma_2 = 2 \ minutes , \ \sigma = 1.5 \ minutes$

Generally the total mean is mathematically represented as

$\= x = \sum M_i$

=> $\= x = 15 + 30 + 20$

=> $\= x = 65$

Generally the total variance is mathematically represented as

$V(x) = \sum \sigma^2_i$

=> $V(x) = 2^2 + 1^2 + 1.5^2$

=> $V(x) = 7.25$

Generally the total standard deviation is mathematically represented as

$\sigma = \sqrt{V(x)}$

=> $\sigma = \sqrt{7.25 }$

=> $\sigma = 2.69$

Generally the probability that it takes at most 70 min of machining time to produce a randomly selected component is mathematically represented as

$P(X \le 70) = 1 - P( X > 70 )$

Here $P(X > 70) = P(\frac{X - \mu }{\sigma} > \frac{70 - 65}{ 2.69} )$

$\frac{X -\mu}{\sigma } = Z (The \ standardized \ value\ of \ X )$

$P(X > 70) = P(Z > 1.8587 )$

From the z table

The area under the normal curve to the right corresponding to 1.8587 is

$P(Z > 1.8587 ) = 0.031535$

So

$P(X \le 70) = 1 - 0.031535$

=> $P(X \le 70) = 0.9685$

7 0

3 years ago

CAN SOMEONE PLZ HELP ME, I NEED IT ASAP, AND I WOULD LIKE IT IF U COULD EXPLAIN YOUR ANSWER!!!!!

castortr0y [4]

Answer:

Step-by-step explanation:

f(g) factored is (x+4)^2 which represent a shift leftward by four units.

7 0

3 years ago

Read 2 more answers

Write the following expression in standard form: (7x – 5) – (3x – 2)

dusya [7]

First you have to combine like terms
(7x and 3x)
using the same sign (subtraction)
4x

then (5 and 2) also still using the same sign (subtraction)
3

4x-3

5 0

3 years ago

PLEASE HELP ASAP!!!

Alborosie

Answer:

(2,6)

Step-by-step explanation:

Since its reflecting on the y axis, the rule for that is (-x,y) for x the sign changes, and y stays the same. The coordinates for Q are (-2,6) and when you use the rule itll come out to (2,6)

4 0

3 years ago

Use the following set of data: {27, 35, 32, 25, 36}<br> Find the mean.<br><br> Please help me

Alexus [3.1K]

I think 32! If it’s wrong I’m sorry lols

4 0

3 years ago

Read 2 more answers