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gulaghasi [49]
3 years ago
12

What is 10x4= i don't know it pls help

Mathematics
2 answers:
Ray Of Light [21]3 years ago
6 0

Answer:

Step-by-step explanation:

40

10+10+10+10=40

10x4=40

saw5 [17]3 years ago
4 0

Answer: 40

Step-by-step explanation:

10 + 10 + 10 + 10 = 40

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Factor f(x)=x2−8x+16<br><br> (A) (x−4)2<br> (B) (x+8)2<br> (C) (x−8)2<br> (D) (x+4)2
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Answer:

A

Step-by-step explanation:

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A poll agency reports that 75% of teenagers aged 12-17 own smartphones. A random sample of 234 teenagers is drawn. Round your an
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Answer:

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:

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And the standard deviation would be given by:

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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:

\sigma =\sqrt{np(1-p)}= \sqrt{234*0.75*(1-0.75)}= 6.624

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Step-by-step explanation:

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