Internet provides: In a survey of 6000 homeowners with high - speed internet plan was $64.20 with standard deviation $11.77. Assume the plan cost to be approximately bell shaped. Estimate the number of plans that cost between a. 40.66 and $87.74 b. $52.43 and $75.97.

52. Internet provides for the data in exercise 48, estimate the number of internet plans whose cost is

1. Greater than $52.43
2. Less than $87.74
3. Between $52.43 and $64.20