3 years ago

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:

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.

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3 years ago

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Vaselesa [24]

Answer:

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Step-by-step explanation:

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3 years ago

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erastova [34]

Answer:

S=D/T

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Step-by-step explanation:

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3 years ago

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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

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2 years ago

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