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Neko [114]
3 years ago
9

If 2 cups of ketchup= 1 cup of tomato sauce, then ____ cups of ketchup= 2.25 cups of tomato sauce.

Mathematics
2 answers:
Alona [7]3 years ago
4 0
4.5 since it shows that you get 2 ketchups for every one tomato sauce 4.5/2 is 2.25
SashulF [63]3 years ago
3 0
We have an equation: 2/1= ?/2.25

Cross multiply:
1*?= 2*2.25
⇒ ?= 2*2.25= 4.5

The final answer is 4.5~
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Answer:

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Step-by-step explanation:

If our random variable of interest for this case is X="the number of teenagers between 12-17 with smartphone" we can model the variable with this distribution:

X \sim Binom(n=234, p=0.75)

And the mean for this case would be:

E(X) =np = 234*0.75= 175.5

And the standard deviation would be given by:

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