middlegirlrule9453
20.03.2020 •
Mathematics
After measuring the duration of many telephone calls, the telephone company found their data was well-approximated by the density function p(x) = 0.4e^(−0.4x), where x is the duration of a call, in minutes.a) What percentage of calls last between 4 and 5 minutes? (nearest tenth)b)What percentage of calls last 4 minutes or less? (nearest tenth)c)What percentage of calls last 4 minutes or more? (nearest tenth)d)Express the cumulative distribution function in the form P(x) = { x<0x greater than or equal to 0
Solved
Show answers
More tips
- H Health and Medicine These Food Additives Can Do Significant Harm to Your Health...
- F Food and Cooking How to Get Reconfirmation of Registration?...
- C Computers and Internet How to Get Rid of Spam in ICQ?...
- A Art and Culture Who Said The Less We Love a Woman, the More She Likes Us ?...
- F Family and Home How to Get Rid of Your Neighbors?...
- S Society and Politics How Could Nobody Know About the Dead Mountaineers?...
- H Health and Medicine How to Cure Adenoids?...
- H Health and Medicine Why Wearing a Back Brace Can Be Beneficial During Back Strain?...
- S Sport When and Where Will the 2014 World Cup be Held?...
- C Computers and Internet How to Choose a Monitor?...
Answers on questions: Mathematics
- M Mathematics Pisa trophy co. budgeted production of 50,000 brass trophies for the coming year. each trophy requires engraving. assume that 15 minutes are required to engrave each trophy....
- M Mathematics The triangle and the rectangle have the same perimeter....
- M Mathematics The area of a window is 40 square feet. the length is the square root of 20 feet. what is the width of the window...
- M Mathematics 3bags and 4 pens together cost 950 dollars whereas 4 bags and 3 pens cost 1150 dollars write two simultaneous equations...
- M Mathematics The product of two consecutive integers is 30 . find the two integers. answer in the form of paired points with the lowest of the two integers first....
- M Mathematics Studies on a machine that molds plastic water pipe indicate that when it is injecting 1-inch diameter pipe, the process standard deviation is 0.05 inches. the one-inch pipe...
- M Mathematics Suppose a certain traffic light shows a red light for 42 seconds, a green light for 45 seconds, and a yellow light for 5 seconds. each day you look at this light at a randomly...
- M Mathematics What 2 numbers are the product of 60 but also the sum of -7?...
- M Mathematics Maria will spin the arrow on the spinner 2 times. what is the probability that the arrow will stop on the same letter twice? 19 29 13 59 spinner with 3 equal size regions labeled...
- M Mathematics Acar is traveling 25 miles per hour. how fast is this in feet per minute? (1 mile = 5,280)...
Ответ:
24
Step-by-step explanation:
im so sorry if this is wrong