Please help

Flaws in plate glass used for large office buildings occur randomly at an average of 1 per 10 square feet. PLEASE USE 4 DECIMAL PLACES IN THE ANSWERS. . .. a) What is the probability that a 6 ft. by 10 ft. sheet of this type of glass will contain less than 2 flaws? The probability that a 6 ft. by 10 ft. sheet of this type of glass will contain less than 2 flaws is b) What is the probability that a 6 ft. by 10 ft. sheet of this type of glass will contain at least 1 flaw? The probability that a 6 ft. by 10 ft. sheet of this type of glass will contain at least 1 flaw is