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Stells [14]
3 years ago
5

Use the circle graph below to answer the question.

Mathematics
2 answers:
Digiron [165]3 years ago
8 0
500 people were surveyed
N76 [4]3 years ago
3 0
42 over 100 equals .42. 210 divided by .42 is 500. So there were a total of 500 people who were surveyed.
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a taste test asks people from Texas and California which pasta they prefer, brand A or brand B. this table shows the results
ELEN [110]

Answer:

D.

Step-by-step explanation:

Two events A and B are independent when

P(A|B)=P(A),

where P(A|B) is the probability that event A occurs given that event B has occured.

A = randomly selected person is from California

B = randomly selected person preferred brand A

A|B =  being a person from California and preferring brand A.

Hence,

P(A)=\dfrac{150}{275}=\dfrac{6}{11}\approx 0.55\\ \\P(B)=\dfrac{176}{275}=\dfrac{16}{25}=0.64\\ \\P(A|B)=\dfrac{96}{176}=\dfrac{6}{11}\approx 0.55

Since  P(A)=P(A|B), events are independent.

4 0
3 years ago
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Answer:

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Step-by-step explanation:

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Answer:

S=D/T

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Step-by-step explanation:

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