3 years ago

How do I do this please help

Mathematics

1 answer:

BartSMP [9]3 years ago

7 0

You have to multiply 1/4 x 1/4 x 1/4 for the volume.

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A manufacturing firm tests job applicants. Test scores are normally distributed with a mean of 500 and a standard deviation of 5

Blababa [14]

Answer:

The probability that the candidate score is 600 or greater

P(X≥ 600 ) = 0.0228

Step-by-step explanation:

Step(i):-

Given mean of the Population = 500

Given standard deviation of the Population = 50

Let 'X' be the random variable in normal distribution

Given X = 600

$Z = \frac{x-mean}{S.D} = \frac{600-500}{50} = \frac{100}{50} =2$

Step(ii):-

The probability that the candidate score is 600 or greater

P(X≥ 600 ) = P(z≥2)

= 0.5 - A(2)

= 0.5 -0.4772

= 0.0228

Final answer:-

The probability that the candidate score is 600 or greater

P(X≥ 600 ) = 0.0228

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3 years ago

D=Rt for D, if T=5 hours and R=65 mph

maks197457 [2]

You multiply those and you get d = 325 m

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4 years ago

One number is 16 more than another number. The two numbers have a sum of 120. Wbich system of equations could you use to find th

joja [24]

Step-by-step explanation:

Let, 1st number be x and 2nd number be y

Then,

equation 1

x = 16+y

equation 2

x + y = 120

or, y = 120 - x

now,

x = 16 + y

or, x= 16 + 120 - x (putting the value of y from equation 2 )

or, x + x = 136

or, 2x =136

or, x= 136/2

or, x =68

Then,

y = 120-x

or, y= 120- 68 (putting the value of x)

or, y= 52

Hence, the two numbers are 68 and 52.

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Which sentence can represent the inequality 3.5x>7?

Andrei [34K]

Answer:A

Step-by-step explanation:hole this helps

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3 years ago

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Can yall please help me answer all these

Anettt [7]

#1 is 60\100 which can be reduced to 3\5

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3 years ago

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