Answer:
The expected value is an expression of the weighted average and can be taken as the (arithmetic) mean
As the number of trials is increased in a binomial experiment, the expected values obtained, in each of the set of trials continuously tend to the theoretical expected value
Step-by-step explanation:
Answer:
The first step in finding the surface area of a cone is to measure the radius of the circle part of. Therefore, the total surface area of the cone is 83.17cm2.
Step-by-step explanation:
8121.43308 if you add every number up.
Answer:
Rs 253.13
Step-by-step explanation:
The item cost him x.
Selling at a profit of 20% means he sold it for 1.2x.
Selling at a loss of 12% means that he sold it for 0.88x.
1.2x - 81 = 0.88x
1.2x - 0.88x = 81
0.32x = 81
x = 253.13
The answer can be found by found ride over run so 4/2 or 2/1=2