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.The time it takes commuters to travel from St. Petersburg to Sarasota Fl is approximately normal with a mean travel time of 48 minutes and

.The time it takes commuters to travel from St. Petersburg to Sarasota Fl is approximately normal with a mean travel time of 48 minutes and a standard deviation during rush hour of 4 minutes. Label the normal curve below and include all the percentages. You can then answer the questions that follow:

a. What percent of the commuters travel more than 52 minutes to get to work?

b. What is the commute time for the middle 68% of commuters?

c. What is the probability that a person will travel less than 40 minutes to work?

d. How long is the commute time for the upper 2.5% of commuters?

e. What percent of the commuters travel longer than 44 minutes to work?_______________

f. What percent of the commuters travel between 36 and 56 minutes to work?_____________

g. What percent of the commuters travel between 40 and 48 minutes to work?______________

  1. The data set below represents the number of fatalities in the US caused by tornadoes from 1999-2008.

125, 81, 67, 39, 66, 54, 55, 44, 41, 98

Find the percentile ranking of 81 fatalities during this period of time. Round to the nearest whole number.

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