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Mazyrski [523]
3 years ago
12

carl takes a random sample of 100 students in his school and finds that 72% of the sample prefers pizza over burgers. there are

1,500 students in the school. based on the sample proportion, how many students in the school would be expected to prefer pizza over burgers? a.72 b.100 c.1,080 d.1,500
Mathematics
2 answers:
emmasim [6.3K]3 years ago
6 0
It would be 1080 students. 100x.72=72 72x15=1080
Lilit [14]3 years ago
5 0

Answer:

1080

Step-by-step explanation:

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Option (b) is correct.

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Step-by-step explanation:

Given: (2^\frac{1}{4} )^4

We have too choose the correct simplification for the given statement.

Consider (2^\frac{1}{4} )^4

Using property of exponents, (a^m)^n=a^m\times a^m\times a^m\times ....\times (n\ times)

We have,

(2^\frac{1}{4} )^4=2^\frac{1}{4} \times 2^\frac{1}{4}\times 2^\frac{1}{4}\times 2^\frac{1}{4}

Again applying property of exponents  a^m\times a^m=a^{n+m}

We have,

(2^\frac{1}{4} )^4=2^{(\frac{1}{4}+ \frac{1}{4}+ \frac{1}{4}+ \frac{1}{4} )}

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(2^\frac{1}{4} )^4=2^{\frac{4}{4}}

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Thus, (2^\frac{1}{4} )^4=2

Option (b) is correct.

   

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