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2 years ago

What are some benefits of representing data sets using frequency distributions?

Mathematics

1 answer:

nekit [7.7K]2 years ago

3 0

Answer:

no answer

Step-by-step explanation:

no answer

to be checked in options

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Zoe made a scale drawing of a house and its lot. She used a scale of 1 inch : 3 feet. In real life, the backyard is 45 feet wide

stellarik [79]

I believe the answer is 15 inches

45/3=15

7 0

3 years ago

Read 2 more answers

A store pays $10.56 fora map of Africa and marks the price up by

nignag [31]

Essentially, 50% of $10.56 is $5.28.

This means that all we have to do is add $10.56 to $5.28, making <u>$15.84</u>

Side note: Another way that you can do this is by simply doing 1.5(10.56).

6 0

3 years ago

In a certain country, the true probability of a baby being a girl is 0.469. Among the next seven randomly selected births in th

-BARSIC- [3]

Answer:

The probability is 0.995 ( approx ).

Step-by-step explanation:

Let X represents the event of baby girl,

The probability of a baby being a girl is, p = 0.469,

So, the probability of a baby who is not a girl is, q = 1 - 0.469 = 0.531,

Also, the total number of experiment, n = 7

Thus, by the binomial distribution formula,

$P(x)=^nC_x(p)^x q^{n-x}$

Where, $^nC_x=\frac{n!}{x!(n-x)!}$

The probability that all babies are girl or there is no baby boy,

$P(X=7)=^7C_7(0.469)^7(0.531)^{7-7}$

$=0.00499125661758$

Hence, the probability that at least one of them is a boy = 1 - P(X=7)

= 1 - 0.00499125661758

= 0.995008743382

≈ 0.995

8 0

4 years ago

Can someone answer this I’ll give brainliest

Mrac [35]

Answer:

7/13

Step-by-step explanation:

Arrange the numbers so that the number of girls in year 10 is the numerator, and the total number of girls is the denominator. (140/260) Simplify this by dividing both numbers by 20.

8 0

3 years ago

If the hypotenuse of a right triangle is 2 <img src="https://tex.z-dn.net/?f=%5Csqrt%7B3%7D" id="TexFormula1" title="\sqrt{3}" a

Svetradugi [14.3K]

Answer:

Step-by-step explanation:

a = the other leg:

$a^{2} =(2\sqrt{3} )^{2} -(\sqrt{3}) ^{2} =(4)(3)-3=12-3$

$a^{2} =9$

$a=\sqrt{9}$

$a=3$

Hope this helps

5 0

2 years ago