Posted by Kath on Wednesday, April 10, 2013 at 8:39pm.
The average number of calories in a 1.5 ounce chocolate bar is 225. Suppose that the distribution of calories is approximately normal with standard deviation =10. Find the probability that a randomly selected chocolate bar will have
a) Between 200 and 220 calories
b) Less than 200 calories

math  Reiny, Wednesday, April 10, 2013 at 9:09pm
Time for one of my favourite wepsites
http://davidmlane.com/normal.html
just plug in

math  Anonymous, Friday, November 4, 2016 at 11:11am
The average number of calories in a 1.5 ounce chocolate bar is 225. Suppose that the distribution of calories is approximately normal with standard deviation =10. Find the probability that a randomly selected chocolate bar will have
a) Between 200 and 220 calories
b) Less than 200 calories
Answer This Question
Related Questions
 Probability  Could someone please check this and let me know if I'm doing it ...
 Lincoln College Of New En  the average 1ounce chocolate chip cookie contains ...
 Statistics  Sammy and Sally each carry a bag containing a banana, a chocolate ...
 Statistics  I have a problem I need some help on. I have answered parts. Any ...
 Math  Erika eat 1/3 of a chocolate bar and gave the remaining 2/3 of the ...
 Math  Suppose a brewery has a filling machine that fills 12 ounce bottles of ...
 more statistics  The percent of fat calories that a person in America consumes ...
 Math  Suppose a brewery has a filling machine that fills 12 ounce bottles of ...
 math  sophie ruth is eating a 50 gram chocolate bar which is labled 30 % cocoa ...
 stats  The percent of fat calories that a person that in America consumes each ...
More Related Questions