Question
.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?______________
- 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.
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access with AI-Powered Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started