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3 years ago

5

What kind of graph would be best to show the results of a group of students who were asked about their favorite kind of pizza. E

xplain your answer in complete sentences.

1 answer:

BartSMP [9]3 years ago

4 0

Answer:

A graph that would be best for a group of students trying to figure out there favorite pizza is a pie graph.

Step-by-step explanation:

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aev [14]

Answer:

D. No, because $P(A|B)=0.22$ and the $P(A) = 0.53$ are not equal.

Step-by-step explanation:

Given:

Probability of doing yard work is, $P(A)=53\%=0.53$

Probability of raining, $P(B)=68\%=0.68$

Probability of doing yard work and it raining is, $P(A\cap B)=15\%=0.15$

Now, two events A and B are independent if,

$P(A|B)=P(A);P(B|A)=P(B)$

Conditional probability of event A given that B has occurred is given as:

$P(A|B)=\frac{P(A\cap B}{P(B)}\\P(A|B)=\frac{0.15}{0.68}=0.22$

So, $P(A|B)=0.22\ and\ P(A)=0.53$

Since, $P(A|B)\ne P(A)$ , A and B are not independent events.

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3 years ago

What is the formula of a²-b²?

Thepotemich [5.8K]

Answer:

The formula of a²-b² are as follows:

Step-by-step explanation:

(a-b)(a+b)

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Vertical Pair

Step-by-step explanation:

...............It's Vertical..........

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