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postnew [5]
3 years ago
6

In a test of a​ gender-selection technique, results consisted of 229 baby girls and 7 baby boys. Based on this​ result, what is

the probability of a girl born to a couple using this​ technique? Does it appear that the technique is effective in increasing the likelihood that a baby will be a​ girl?
Mathematics
1 answer:
kirill115 [55]3 years ago
3 0

Answer:

I'm pretty sure that the answer would be 229/236.

Step-by-step explanation:

Ok so. Since the results of the test is 229 for a girl and the results for a boy is 7. So i'm pretty sure what to do is combine both the results and keep that as the denominator. And then the numerator will be the result. So in this case the numerator would be 229 and the denominator would be 236.

I hope this helped, have a great day!!!

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Help me pleaseeee :) for brainliest answer
kifflom [539]

Answer:

2:14, 1:7, 3:21, and 18:126

Step-by-step explanation:

They are all multiplying by 7.

2*7= 14

1*7= 7

3*7= 21

18*7= 126

Hope this helps! :)

8 0
2 years ago
A merry-go-round can hold 36 people on each 5-minute ride. How many people would have received a ride on the merry-go-round in a
BigorU [14]

Answer:

432

Step-by-step explanation:

The hour have 12 5 min (12*5=60)

So 36*12=432

3 0
2 years ago
Let f be the function given by f(x)=ln x/x for all x 0. the derivative of f is given by
Dmitriy789 [7]
Using the quotient rule

f'(x)  =   x * 1/x  - ln x          1 - ln x
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6 0
3 years ago
Paolo paid $ 28 $ 28 for a hat that was originally priced at $ 35 $ 35 . By what percent was the hat discounted?
devlian [24]

The original price of the hat is $35. Paolo paid $28 for the hat.

So discount for the hat is $(35-28) = $7

$7 is discounted from $35. We have to find the percentage of the discount.

To find the percentage we have to divide the discount amount by the original price and then have to multiply it by 100.

So the discount percentage =

((7/35)×100) %

We can simplify 7/35 by dividing 7 and 35 both by 7. So we will get 1/5 after simplifying.

((1/5) ×100) %

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5 0
3 years ago
Kim picked 250 pounds of pears yesterday and 287 pounds of pears today. What is the percentage increase of
xxMikexx [17]

Given:

Kim picked 250 pounds of pears yesterday and 287 pounds of pears today.

To find:

The percentage increase of  amount of pears picked by Kim.

Solution:

We know that,

\%\text{ increase}=\dfrac{\text{New value - Initial value}}{\text{Initial value}}\times 100

\%\text{ increase}=\dfrac{287-250}{250}\times 100

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Therefore, the percentage increase of  amount of pears picked by Kim is 14.8%.

7 0
2 years ago
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