A college student is taking two courses. The probability she passes the first course is 0.7. The probability she passes the second course is 0.67. The probability she passes at least one of the courses is 0.79. Give your answer to four decimal places. a. What is the probability she passes both courses

0.58 = 58% probability she passes both courses

Step-by-step explanation:

We have two events, A and B.

In which:

is the probability of at least one of these events happening.

P(A) is the probability of A happening.

P(B) is the probability of B happening.

is the probability of both happening.

In this question:

Event A: Passes the first course.

Event B: Passes the second course.

The probability she passes the first course is 0.7.

This means that

The probability she passes the second course is 0.67.

This means that

The probability she passes at least one of the courses is 0.79.

This means that

What is the probability she passes both courses

0.58 = 58% probability she passes both courses

the correct option is 2.

step-by-step explanation:

according to the given information triangle abc is a right angle triangle with right angle at a. segment ab is 5 and segment ac is 7. point d is on segment bc and angles adb and adc are right angles.

it is given that triangles abd, cad, and cba are similar.

two triangles are similar if their corresponding sides are proportional.

in triangle cba, using pythagoras theorem

                      )

triangle abd and cba are similar,

                            (2)

triangle cad and cba are similar,

                      )

using (1), (2) and (3), we get

hence proved.

therefore option 2 is correct.

d. all of the above

step-by-step explanation: