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Fittoniya [83]
3 years ago
8

Someone help me with this

Mathematics
1 answer:
Ivanshal [37]3 years ago
3 0

Answer:

-30 is the right one if u need help tell me ;)-

Step-by-step explanation:

:)

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The weight of a cat is normally distributed with a mean of 9 pounds and a standard deviation of 2 pounds. Using the empirical ru
coldgirl [10]

If the value of the z-score is 1. Then the probability that a cat will weigh less than 11 pounds will be 0.84134.

<h3>What is the z-score?</h3>

The z-score is a statistical evaluation of a value's correlation to the mean of a collection of values, expressed in terms of standard deviation.

The z-score is given as

z = (x - μ) / σ

Where μ is the mean, σ is the standard deviation, and x is the sample.

The weight of a cat is normally distributed with a mean of 9 pounds and a standard deviation of 2 pounds.

Then the probability that a cat will weigh less than 11 pounds will be

The value of z-score will be

z = (11 – 9) / 2

z = 1

Then the probability will be

P(x < 11) = P(z < 1)

P(x < 11) = 0.84134

Thus, the probability that a cat will weigh less than 11 pounds will be 0.84134.

More about the z-score link is given below.

brainly.com/question/15016913

#SPJ1

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The graph represents y = ⌈x⌉ + 1.<br><br><br> What is f(–2.75)?<br><br> –5<br> –4<br> –2<br> –1
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If f(x)=(x+3)³+4<br> let g(x)=f(x+1)-2<br> find when g(x)=12
lana [24]

Answer:

x=\sqrt[3]{10}-2

Step-by-step explanation:

The composite function (f(x+1)) is moved in the x-axis by -1, you know this by solving x+1=0.

The equivalent expresion for f(x+1) is

f(x+1)= (x-1+3)^{3}+4

f(x+1)=(x+2)^{3}+ 4

Eval the above expression in g(x)

g(x)=(x+2)^{3}+4-2

We must find x that gives g(x)=12

The equation is the following

12=(x+2)^{3}+2

Grouping terms>

(x+2)^{3} =10

To solve for x, must apply cubic root in both sides of equation:

\sqrt[3]{(x+2)^{3} } =\sqrt[3]{10}

it then turns in the following>

x+2=\sqrt[3]{10}\\

Giving the stated answer

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How many minutes is 1/6?
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