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Dovator [93]
3 years ago
7

Consider the table below and answer the probability question. Write your answer as a percentage rounded to 1 decimal.

SAT
1 answer:
N76 [4]3 years ago
7 0

Answer:

P(Joe) = 0.3

P(Joe\ \&\ North\ Side) = 0.2

Explanation:

Solving (a): P(Joe)

To get this probability, we simply add up the items in the column named Joe.

These items are:

Joe: 34 and 70

And the total is:

Joe = 34 + 70

Joe = 104

The overall population of the system is:

Total = 409

So:

P(Joe) = \frac{Joe}{Total}

P(Joe) = \frac{104}{409}

P(Joe) = 0.3

Solving (a): P(Joe and North Side)

To get this probability, we simply get the intersecting element of Joe column and North Side row.

From the table, the intersecting element is:

Joe and North Side: 70

The overall population of the system is:

Total = 409

P(Joe\ \&\ North\ Side) = \frac{Joe\ \&\ North\ Side}{Total}

P(Joe\ \&\ North\ Side) = \frac{70}{409}

P(Joe\ \&\ North\ Side) = 0.2

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