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Lera25 [3.4K]
3 years ago
8

The bar graph shows the number of hurricanes from 2008 to 2009 and from 2010 to 2011. Compare the amounts of change and percents

of decrease
Mathematics
2 answers:
gavmur [86]3 years ago
8 0
Just look and see what the graph reads
Anton [14]3 years ago
7 0

Answer:

C) It rose significantly.

Step-by-step explanation:

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Answer:

I think C

Step-by-step explanation:

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Jennifer is allowed to watch no more than
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6

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10-4=6

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In a survey of 300 college graduates, 53% reported that they entered a profession closely related to their college major. If 9 o
ExtremeBDS [4]

Answer:

0.1348 = 13.48% probability that 3 of them entered a profession closely related to their college major.

Step-by-step explanation:

For each graduate, there are only two possible outcomes. Either they entered a profession closely related to their college major, or they did not. The probability of a graduate entering a profession closely related to their college major is independent of other graduates. This, coupled with the fact that they are chosen with replacement, means that we use the binomial probability distribution to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

In which C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

And p is the probability of X happening.

53% reported that they entered a profession closely related to their college major.

This means that p = 0.53

9 of those survey subjects are randomly selected

This means that n = 9

What is the probability that 3 of them entered a profession closely related to their college major?

This is P(X = 3).

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 9) = C_{9,3}.(0.53)^{3}.(0.47)^{6} = 0.1348

0.1348 = 13.48% probability that 3 of them entered a profession closely related to their college major.

6 0
3 years ago
Square root of 80 to the power of 2
Alex Ar [27]
80 would be your answer for this question
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3 years ago
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A ) If f(x) = x^3-7/2, find f^-1(x)<br> b ) find f^-1(28.5)
Lina20 [59]

Step-by-step explanation:

The solution is more detailed

7 0
3 years ago
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