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3 years ago

Which expressions is equivalent to j(j)(j)(j)(j)(j)(j)(j)(j)(j)(j)(j)(j)

Mathematics

2 answers:

zheka24 [161]3 years ago

8 0

Answer: J to the third-teen power. And I also agree with him.

Step-by-step explanation:

jarptica [38.1K]3 years ago

3 0

Answer: j to the 13th Power

Step-by-step explanation:

Since J has been written 13 times it'll equal j to the 13 power

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A box contains two bags of corn chips eight bags of potato chips and five bags one bag of chosen at random what is the probabili

loris [4]

2 bags of corn chips + 8 bags of potato chips + 5 bags of ??? = 15 bags total

2/ (5+8+2) = Probability
$\\ \frac{2}{15}$

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4 years ago

What is 1 trillion squared?

Step2247 [10]

Its 1 quattordecillion or 1(48 zeros that I don't want to type)

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3 years ago

Read 2 more answers

Based on concerns raised by his preliminary research, the biologist decides to collect and examine 150 frogs.

Delicious77 [7]

Answer:

Answered and explained below

Step-by-step explanation:

A) We are told that frequency of the trait is still 1 in 8. Thus, population proportion; p = 1/8 = 0.125

Sample size; n = 150

Formula for mean is;

μ = np

μ = 150 × 0.125

μ = 18.75

Formula for standard deviation is;

σ = √(np(1 - p))

σ = √(150 × 0.125(1 - 0.125))

σ = √16.40625

σ = 4.05

B) usually, when np ≥ 10 , we make use of normal distribution.

I'm this case, it is 18.75 which is greater than 10.

Thus,we can use a normal model to approximate the distribution.

C) we are told that he found the trait in 22 of the frogs.

Thus;

Proportion is now; 22/150 = 0.1467

This is a higher probability that the initial one of 0.125 and we can say that the trait has become more common.

6 0

3 years ago

A portfolio has average return of 13.2 percent and standard deviation of returns of 18.9 percent. Assuming that the portfolioi's

wlad13 [49]

Answer:

B. 0.835

Step-by-step explanation:

We can use the z-scores and the standard normal distribution to calculate this probability.

We have a normal distribution for the portfolio return, with mean 13.2 and standard deviation 18.9.

We have to calculate the probability that the portfolio's return in any given year is between -43.5 and 32.1.

Then, the z-scores for X=-43.5 and 32.1 are:

$z_1=\dfrac{X_1-\mu}{\sigma}=\dfrac{(-43.5)-13.2}{18.9}=\dfrac{-56.7}{18.9}=-3\\\\\\z_2=\dfrac{X_2-\mu}{\sigma}=\dfrac{32.1-13.2}{18.9}=\dfrac{18.9}{18.9}=1\\\\\\$

Then, the probability that the portfolio's return in any given year is between -43.5 and 32.1 is:

$P(-43.5$

6 0

3 years ago

Someone help with this!! 30 points and will mark brainliest! Show your work!!!

pashok25 [27]

Answer:

C or D

Step-by-step explanation:

i would say C but if you get it wrong somehow, then it would be D

8 0

3 years ago