Please Answer:

Internet providers: In a survey of 936 homeowners with high-speed Internet, the average monthly cost of a high-speed Internet plan was $66.76 with standard deviation $12.64. Assume the plan costs to be approximately bell-shaped. Estimate the number of plans that cost between $54.12 and $79.4. Round to the nearest whole number. The number of plans that cost between $54.12 and $79.4 is X M