What is the probability that a person who is older than 35 years has a hemoglobin level between 9 and 11

1. The probability that a person who is older than 35 years has a hemoglobin level between 9 and 11 is 0.284.

2. The probability that a person who is older than 35 years has a hemoglobin level of 9 and above is 0.531.

Step-by-step explanation:

Let the number of person who is older than 35 years has a hemoglobin level between 9 and 11 be x.

From the given table it is clear that the total number of person who is older than 35 years is 162.

The number of person who is older than 35 years has a hemoglobin level between 9 and 11 is 46.

1.

The probability that a person who is older than 35 years has a hemoglobin level between 9 and 11 is

The probability that a person who is older than 35 years has a hemoglobin level between 9 and 11 is 0.284.

2.

Person who is older than 35 years has a hemoglobin level  of 9 and above is

The probability that a person who is older than 35 years has a hemoglobin level of 9 and above is

The probability that a person who is older than 35 years has a hemoglobin level of 9 and above is 0.531.