Question

Please name the probability distributions and calculate probability required:

1. Accidents in a building are assumed to occur randomly with an average rate of 36 per year. There will be x accidents in the coming April. What is the probability of at least 1 accident in April.

2. A book of 200 pages with 2 error pages. If there are 0 error page in a random selection of 10 pages we accept the whole book, what is the chance of reject the book?

3. The probability that a salesman will make a sale on one call is 0.3. Each day, this salesman makes 10 calls. Let x denote the number of sales made in one day. Please calculate P(x>1)

4. The average number of flaws per running yard of a certain type of cotton fabric is 0.01. Let x be the number of flaws in a 100-yard roll of this fabric. What are P(x=0), and P(x>=1)

5. The probability that a basketball player will make a free throw is 0.7. Let x denote the number of free throws he will make in a game of seven free throw attempts. What are P( x=0) and P(x=<2).

Answer 1