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katovenus [111]
1 year ago
11

Guys I need some help with this question pls!!

Mathematics
1 answer:
tino4ka555 [31]1 year ago
6 0

The required probability for P(x<92) is 0.15866.

Given that,
Sample score = X =  92
Mean = μ = 98
Standard deviation = σ = 6
p(x ≤ 92 ) is to be determined

<h3>What is probability?</h3>

Probability can be defined as the ratio of favorable outcomes to the total number of events.

z = (X - μ) / σ
z = (92 - 98) / 6
z = - 1

Now
Probability,
p(x < 92) = P(z = -1)
p(x < 92)  = 0.15866   (from z score table)

Thus, The required probability for P(x<92) is 0.15866.

Learn more about probability here:

brainly.com/question/14290572

#SPJ1

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How many three-digit numbers are divisible by 2,3 or 5? plEASe helP I aM DeSpeRatE
frosja888 [35]

Answer:

30

Step-by-step explanation:

- A number is divisible by 2 if its last digit is 2, 4, 6, 8 or 0

- A number is divisible by 3 if ist sum of digits is divisible by 3.

- A number is divisible by 5 if its last digit is a 5 or a 0.

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The least 3 digit number divisible by 30 is 120 and the greatest is 990.

8 0
2 years ago
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diamong [38]

Considering the graph of the cube root parent function, it is found that the correct statement is given by:

D. It is always increasing.

<h3>When a function is increasing?</h3>

A function is increasing when the vertical axis of the graph gets higher as we move the horizontal axis from left to right.

In this problem, the above statement is true for the entire function, hence option D is correct.

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8 0
2 years ago
Write a cosine function that has an amplitude of 3, a midline of 2 and a period
marissa [1.9K]

Answer:

f(x) = 3 cos  (2Pi / period value ; x  )+ 2

or see answer using 2 as the period see answer in bold below.

Step-by-step explanation:

cosine function amplitude of 3 is  A = 3

The period is used to find B

You need to show period value as the denominator and work out from there with 2PI as a function numerator to show as 2pi / period can be a data angle

C is the adding value.

Acos (Bx) + C

A = 3

Bx =  2 pi / period

C = + 2

However f 2 is also the period found

then we just plug in 2 to above formula

f(x) = 3 cos  (2Pi / 2 ; x  )+ 2

f(x) = 3cos (x pi) + 2

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2 years ago
Henry is using cardboard to build a box in the shape of a rectangular prism. A net of the box is shown.
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Answer:240 square feet

Step-by-step explanation:

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Think about the function f(x) = 10-X.
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Answer:

X is the input.

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