A shipping company selects 75 random packages to check their weight. It finds that 3 packages were weighed incorrectly. How many packages out of 3000 should the company predict have an incorrect weight?

120 Packages

Step-by-step explanation:

Given

75 random packages are check

3 package is found faulty

So, the percentage of error is

i.e. 4% packages is faulty

For 3000 sample, expected faulty packages are

10.416 m/s

step-by-step explantion:

distance=100m

time= 9.6s

average speed=100/9.6

=10.416 m/s

x² + 3x + 7 = 0       [ax² + bx + c]

a = 1

b = 3

c = 7

quadratic formula:

    (+/- is this ±)

plug in the numbers into the variables

your answer is a