Question

What is the probability that a person who is above 35 years old has a hemoglobin level of 9 or above? A. 0.357 B. 0.313 C. 0.531 D. 0.343 E. 0.432

Answer 1

Given :  Hemoglobin level data age wise ( ref attached picture)

To find : probability that a person who is above 35 years old has a hemoglobin level of 9 or above

Solution:

Above 35 years old

total person are 162

probability that a person who is above 35 years old has a hemoglobin level of 9 or above = 1  -  Less than 9  hemoglobin level

= 1  - 76/162

= (162 - 76)/162

= 86/162

= 0.531

Option C is correct

0.531 is the probability that a person who is above 35 years old has a hemoglobin level of 9 or above

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