Question

. The average number of acres burned by forest and
range fires in a large Wyoming county is 4,300 acres
per year, with a standard deviation of 750 acres. The
distribution of the number of acres burned is normal.
a. Compute the probability that more than 5,000 acres
will be burned in any year.
b. Determine the probability that fewer then 4,000
acres will be burned in any year.
c. What is the probability that between 2,500 and
4,200 acres will be burned?
d. In those years when more than 5,500 acres are
burned, help is needed from eastern-region fire

Answer 1

मुझे आंसर नहीं पता मैं नहीं जानता हूं