The Normal Distribution The monthly cleaning products expenditures for households are approximately normally distributed with a mean of $43.64 and a standard deviation of $10.00. a. Find the probability that a household spent less than $30.00. b. Find the probability that a household spent more than $55.00. c. What proportion of the households spent between $25.00 and $35.00? d. 99% of the households spent less than what amount? Click here to view [age 1 of the cumulative standardised normal distribution table. Click here to View page 2 of the cumulative standardised normal distribution table. E a. The probability that a household spent less than $30.00 is El. (Round to four decimal places as needed.) b. The probability that a household spent more than $55.00 is '1. (Round to four decimal places as needed.) c. The proportion of the households that spent between $25.00 and $35.00 is D. (Round to four decimal places as needed.) d. 99% of the households spent less than $D. (Round to the nearest cent as needed.)