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Weight/Calories per Day | 1000 to 1500 cal. | 1500 to 2000 cal. | 2000 to 2500 cal. | Total
---|---|---|---|---
120 lb. | 90 | 80 | 10 | 180
145 lb. | 143 | 35 | 25 | 203
165 lb. | 15 | 27 | 75 | 117
Total | 140 | 250 | 110 | 500

Based on the data in the two-way table, what is the probability that a person weighs 120 pounds, given that he or she consumes 2,000 to 2,500 calories per day?

A. 0.09
B. 0.12
C. 0.22
D. 0.35

Answer :

The probability that a person consumes 2,000 to 2,500 calories in a day is 0.22.

What is mean by Probability?

The term probability refers to the likelihood of an event occurring. Probability means possibility. It is a branch of mathematics that deals with the occurrence of a random event. The value is expressed from zero to one

Given that:

Weight/Calories 1000-1500 1500-2000 2000-2500 Total

per Day

120 lb. 90 80 10 180

145 lb. 35 143 25 203

165 lb. 15 27 75 117

Total 140 250 110 500

Hence, Total no. of person consumes 2000 to 2,500 calories in a day = 110

And, Total = 500

Now the probability that a person consumes 2,000 to 2,500 calories in a day :

⇒ 110 / 500

⇒ 0.22

Hence the probability that a person consumes 2,000 to 2,500 calories in a day is 0.22.

Learn more about the probability visit:

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Rewritten by : Barada

Answer:

its A

Step-by-step explanation: