The incubation time for Rhode Island Red chicks is normally distributed with mean 21 days and standard deviation approximately 1 day. If 1000 eggs are being incubated, how many chicks do we expect will hatch?

(a) In 19 to 23 days?

(b) In 21 days or fewer?

(c) In 19 days or fewer

(d) In 18 to 24 days?

(e) In 22 days or more?

(f) In 18 to 21 days?

(g) In 19 to 24 days?

(h) In 18 days or more?