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fiasKO [112]
2 years ago
8

A researcher identifies a sample of teenagers and chooses two males, age 16

Mathematics
1 answer:
Alik [6]2 years ago
4 0
I thinks it is matching pairs for random assignment on gender, age, & income status but I’m not sure
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Find b if the equation is w=2a+3b
Vlad1618 [11]
There isn't enough information to know the exact number of b but

w=2a+3b
subtract 2a from both sides
2a-w=3b
divide both sides by 3
2a - w \div 3 = b
3 0
3 years ago
What is the difference between theoretical and experimental probability?
umka2103 [35]

Answer:

<h2>See below</h2>

Step-by-step explanation:

Theoretical probability is the actual chance of something happening based on raw numbers.

For example: The theoretical probability of tails on a coin flip is 1/2 or 50%. If you flipped a coin, you would expect 50% to be heads, 50% to be tails.

However, since this almost never happens, experimental probability is used to describe the actual results.

For example: If you flip the coin 50 times and 23 are tails, 27 are heads, then the experimental probability is 46% for tails and 54% for heads.

I'm always happy to help :)

3 0
2 years ago
At the store. Jane bought a t shirt for $12.50 and a pair of jeans for $5.00 more than twice the price of the shirt. If she paid
MA_775_DIABLO [31]
$15 thanks hope this helps
3 0
3 years ago
If you follow the steps necessary to prove that square root 7 is irrational (use a proof by contradiction) to prove that square
Viefleur [7K]
Sorry, i wish i could help, but really the only thing i know is that 4 is 2 by 2 so using another equation to try to prove otherwise is irrational in itself 
8 0
3 years ago
Shawna has been saving and now has exactly enough money to pay for the pink carpet that she wants in her room. She has $219.70.
enyata [817]

Answer:

169 feet²

$1.30

Step-by-step explanation:

Given that :

Amount Shawna has = exact cost of carpet = $219.70

Length per wall = 13 feets

a) How many square feet of carpet will she need?

Number of square feet of carpet :

13 feets * 13 feets = 169 feet²

B.) Cost of each square foot :

Total cost / number of square feet

$219.70 / 169 feet²

= $1.30

6 0
3 years ago
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