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Veronika [31]
3 years ago
9

The lifespans of gorillas in a particular zoo are normally distributed. The average gorilla lives 20.8 years; the standard devia

tion is 3.1 years. Use the empirical rule (68-95-99.7\%) to estimate the probability of a gorilla living between 11.5 and 27 years.
Mathematics
2 answers:
MakcuM [25]3 years ago
7 0

Answer:

go to a called math and  way but without  the space or the and

Step-by-step explanation:

nignag [31]3 years ago
6 0

Answer:

97.35%

Step-by-step explanation:

Khan academy

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A spinner is half red and half blue. If you spin the spinner twice, what is the probability that you will get red both times?
Usimov [2.4K]

Answer:  Probability of getting red both times is \frac{1}{4}

Step-by-step explanation:

Since we have given that

A spinner is half red and half blue.

Probability of getting red is given by

\frac{1}{2}

Probability of getting blue is given by

\frac{1}{2}

Since he spins the spinner twice.

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3 years ago
The Oliver family ate 3/8 of a casserole
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3 years ago
Maria invested a total of 31,000 in two account, first account earned a rate of 14%. How ever second account suffer a 10% loss i
Maslowich

Answer:the amount of money that Maria invested in the first account is $20000

the amount of money that Maria invested in the second account is $11000

Step-by-step explanation:

Let x represent the amount of money that Maria invested in the first account.

Let y represent the amount of money that Maria invested in the second account.

Maria invested a total of 31,000 in the two account. This means that

x + y = 31000

The first account earned a rate of 14%. This means that the amount earned on the first account is 14/100×x = 0.14x

However, the second account suffered a 10% loss in the same time. This means that the amount lost is

10/100×y = 0.1y

At the end of one year the total amount money gain 1,700. This means that

0.14x - 0.1y = 1700 - - - - --1

Substituting x = 31000 - y into equation 1, it becomes

0.14(31000 - y)- 0.1y = 1700

4340 - 0.14y - 0.1y = 1700

- 0.14y - 0.1y = 1700 - 4340

-0.24y = -2640

y = 2640/0.24 = 11000

x = 31000 - y = 31000 - 11000

x = 20000

7 0
3 years ago
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