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zvonat [6]
3 years ago
15

The school yearbook committee surveyed the student body for an article about colleges in which they are pursuing enrollment. The

table below shows the number of students in each grade level who are pursuing one or more college.
If there are 170 students in 12th grade, what percentage of the twelfth grade students have more than one college in mind? Round your answer to the nearest percent.

Mathematics
1 answer:
emmasim [6.3K]3 years ago
3 0

Out of 170 students in 12th grade, 27+23 = 50 students have more than 1 college in mind.

So 50/170, or 29% is your answer.

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Solve A= a+b/2 for b
Neporo4naja [7]

Answer:

a=

1/0

Step-by-step explanation:

5 0
3 years ago
A nationwide census is conducted and it is found that the mean number of hours of television watched per year by Americans is 35
Ber [7]

Answer:

Probability that a group of 4 Americans watch more than 400 hours of television per year is 0.3264.

Step-by-step explanation:

We are given that a nationwide census is conducted and it is found that the mean number of hours of television watched per year by Americans is 350 with a standard deviation of 220.

A group of 4 Americans is selected.

Let \bar X = <u><em>sample mean number of hours of television watched per year</em></u>

The z score probability distribution for sample mean  is given by;

                             Z  =  \frac{\bar X-\mu}{\frac{\sigma}{\sqrt{n} } }  ~ N(0,1)

where, \mu = population mean = 350

            \sigma = standard deviation = 220

            n = sample of Americans = 4

Now, the probability that a group of 4 Americans watch more than 400 hours of television per year is given by = P(\bar X > 400 hours)

     

     P(\bar X > 400) = P( \frac{\bar X-\mu}{\frac{\sigma}{\sqrt{n} } } > \frac{400-350}{\frac{220}{\sqrt{4} } } ) = P(Z > 0.45) = 1 - P(Z \leq 0.45)

                                                        = 1 - 0.6736 = <u>0.3264</u>

The above probability is calculated by looking at the value of x = 0.45 in the z table which has an area of 0.6736.

Hence, the probability that a group of 4 Americans watch more than 400 hours of television per year is 0.3264.

6 0
3 years ago
If f(1)=6 and f(n) = F(n - 1) + 2 then find the value of f(4).
Usimov [2.4K]

Hi there!

\large\boxed{f(4) = 12}

We know that:

f(1) = 6

F(n) = F(n - 1) + 2 (Meaning, the next "n" is 2 added to the previous)

We can count up to f(4) using this logic:

f(2) = F(2 - 1) + 2 = F(1) + 2 = 6 + 2 = 8

f(3) = F(2) + 2 = 8 + 2 = 10

f(4) = F(3) + 2 = 10 + 2 = 12

3 0
2 years ago
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Anarel [89]

Answer:

Triangle ABC and triangle EDF

5 0
2 years ago
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The quotient of z and 10 increased by 32
Butoxors [25]

Answer:

if u need a equation it's z divided by 10 plus 32
Step-by-step explanation:

quotient means division so you would divide z by 10 than you would add 32 because increase means your adding

brainliest please <3

5 0
1 year ago
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