Answer:
mean= 4.68
variance= 1.0296
Step-by-step explanation:
mean= n×p
n=6
p=0.78
mean= 6×(0.78)
= 4.68
variance= n×p×(1-p)
= 6 × 0.78×(1-0.78)
= 1.0296
The watch costed $400 before the discount.
76 * 100 = 7,600
7,600 / 19 = 400
It should be a whole number.
Answer:
The correct answer is 28
Step-by-step explanation:
3,648 (three thousand six hundred fourty eight) pieces of candy!