I need aswers to this question

a. 1/2

b. 1/2

c. 5/6

d. 1/6

Step-by-step explanation:

Here, we are going to base the probability of the next tests on what we have presently

we have 6 scores to work with

a. more than 70%

Scores above 70 are 3

So the probability will be 3/6 = 1/2

b. less than 70%

Scores below 70 are 3

So the probability will be 3/6 = 1/2

c. At least 60%

This means that 60 or more

scores here are 5

So the probability is 5/6

d. 80% marks

we have only 1 80%

so the probability is 1/6

(x3 + 6x2 + 2x - 6) • (x - 1)

step-by-step explanation:

polynomial long division :

3.2     polynomial long division

dividing :   x4+5x3-4x2-8x+6

                              ("dividend")

by         :     x-1     ("divisor")

dividend     x4   +   5x3   -   4x2   -   8x   +   6

- divisor   * x3     x4   -   x3            

remainder         6x3   -   4x2   -   8x   +   6

- divisor   * 6x2         6x3   -   6x2        

remainder             2x2   -   8x   +   6

- divisor   * 2x1             2x2   -   2x    

remainder               -   6x   +   6

- divisor   * -6x0               -   6x   +   6

remainder                     0

quotient :   x3+6x2+2x-6   remainder:   0

3030 ur welcome

step-by-step explanation: