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Mademuasel [1]
3 years ago
15

Will mark bianleast plz asap

Mathematics
2 answers:
lidiya [134]3 years ago
7 0

Answer:

2 books

Step-by-step explanation:

The mode is the one that is most frequent, and reading 2 books during the summer is the most frequent thing to do in this diagram as it has been performed the most times.

Hope this helps!

treviglaslibrary

blagie [28]3 years ago
3 0
The mode is the number which appears most frequently so in this case the answer would be the 6 books read over the summer is the mode
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Dahasolnce [82]

Answer:

C (3x4) + (5x2) + 20

Step-by-step explanation:

3 things that cost 4 dollars. 5 things that cost 2 dollars and one that cost 20.

3 0
3 years ago
A person recently read that 84% of cat owners are women. How large a sample should the researcher take if she wishes to be 90% c
Lana71 [14]

Answer:

405

Step-by-step explanation:

To find sample size, use the following equation, where n = sample size, za/2 = the critical value, p = probability of success, q = probability of failure, and E = margin of error.

n=\frac{(z_{\frac{\alpha }{2} })^{2} *p*q  }{E^2}

The values that are given are p = 0.84 and E = 0.03.

You can solve for the critical value which is equal to the z-score of  (1 - confidence level)/2.  Use the calculator function of invNorm to find the z-score.  The value will given with a negative sign, but you can ignore that.

(1 - 0.9) = 0.1/2 = 0.05

invNorm(0.05, 0, 1) = 1.645

You can also solve for q which is 1 - p.  For this problem q = 1 - 0.84 = 0.16

Plug the values into the equation and solve for n.

n =\frac{(1.645)^2*0.84*0.16}{(0.03)^2}\\n= 404.0997333

Round up to the next number, giving you 405.

6 0
3 years ago
The side length of a square garden is 15 feet. Find the area of the garden in square feet.
viktelen [127]

To find the area multiply the length by the width.

The length and width of a square are the same.

Area  = 15 x 15 = 225 square feet.

8 0
3 years ago
Read 2 more answers
Find −2310+425. Write your answer as a mixed number in simplest form.
Kamila [148]
Answer: -1885/1

Explanation: The solution to -2310 added to 425 is -1885. And in order to make this whole number a fraction, you must add a 1 as the denominator.
3 0
3 years ago
Evaluate 4 + (m - n) <br><br> When m = 7 and n = 5.
ziro4ka [17]
1. substitute:
4+(7-5)
2. simplify:
4+2
3. evaluate:
6
the answer is 6.

4 0
2 years ago
Read 2 more answers
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