3 years ago

If I have 37 assinments total and have not done 6, what percent do I have done?

Mathematics

1 answer:

Rzqust [24]3 years ago

5 0

Answer:

83.78% .

Step-by-step explanation:

The fraction left = (37-6)/ 37

= 31/37

The percent = (31*100) / 37

= 83.78%

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The ages of trees in a forest are normally distributed with a mean of 25 years and a standard deviation of 4. Approximately what

harkovskaia [24]

Answer:

78.88%

Step-by-step explanation:

We have been given that

$\mu=25,\sigma=4,x_1=20,x_2=30$

The z-score formula is given by

$z-\text{score}=\frac{x-\mu}{\sigma}$

For $x_1=20$

$z_1=\frac{20-25}{4}\\\\z_1=-1.25$

For $x_2=30$

$z_2=\frac{30-25}{4}\\\\z_2=1.25$

Now, we find the corresponding probability from the standard z score table.

For the z score -1.25, we have the probability 0.1056

For the z score 1.25, we have the probability 0.8944

Therefore, the percent of the trees that are between 20 and 30 years old is given by

0.8944 - 0.1056

= 0.7888

=78.88%

6 0

3 years ago

Read 2 more answers

PLEASE HELP!!!!!!!!!!!!!!!

kotykmax [81]

What's the question?

7 0

3 years ago

How do you solve this

Dimas [21]

80% because I did the math

3 0

3 years ago

A book store is keeping track of the price of books according to the number of pages. Which scatterplot represents

fenix001 [56]

Anyway the answer is 400

8 0

2 years ago

Jenny has been saving quarters in a piggy bank since she was born. She currently has 192 quarters in her piggy bank. She decides

Mrac [35]

Answer:

D) She has a total of $62 in the piggy bank.

Step-by-step explanation:

Jenny has been saving quarters in a piggy bank since she was born.

She decides to add 56 more quarters so that she can buy a $65 phone.

So she has 192 + 56 = 248 quarters currently.

1 quarter is equivalent to $0.25

248 quarters equals;

$\frac{248}{1}$ × $0.25 = $62

So Jenny has a total of $62 in the piggy bank.

5 0

3 years ago