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.

answer:

it is general formula that is used to write value to its excet position

a11 a12 a13

a21 a22 a23

it is the example of order 2 by 3 matrix in this

a11 means value occur in 1 st row 1st column

a12 means value occurs in 1st row 2nd column

a13 means value occur in 1st row and 3rd column

a21 means value occurs in 2nd row and 1st column

a22 means value occurs in 2nd row and in 2nd column

a23 means value occurs in 2nd row and in 3rd column