subject
Mathematics, 01.11.2019 03:31 Lydiaxqueen

Amanufacturer knows that their items have a normal distributed life span with the a mean of 7.1 years and the standard deviation of 2.2 years. if you randomly purchase one item what is the probability it will last longer than 4 years?

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 16:00
Sam makes his sales calls according to a pattern. he travels either north or south depending on the calendar. some of his past trips were as follows: on february 17, april 24, june 10, september 19, and november 3 he drove north. on february 28, may 25, august 22, november 20, and december 18, he drove south. describe sams' pattern. in which direction will sam drive on oct4 and oct 24?
Answers: 1
question
Mathematics, 21.06.2019 20:00
If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?
Answers: 1
question
Mathematics, 21.06.2019 20:30
Aregular pan has a length that is 4/3 the width. the total area of the pan is 432in.2. what is the width of the cake pan?
Answers: 1
question
Mathematics, 21.06.2019 21:30
He ! a group of farmers planned to clean 80 acres of wheat per day to finish the work on schedule. right before the work started, they received a new piece of machinery that them clean 10 more acres per day than originally planned. as a result of increased productivity in the last day before the deadline they only had to clean 30 acres. how many acres of wheat did the group of farmers have to clean?
Answers: 1
You know the right answer?
Amanufacturer knows that their items have a normal distributed life span with the a mean of 7.1 year...
Questions
question
Mathematics, 18.09.2020 03:01
question
Mathematics, 18.09.2020 03:01
question
Mathematics, 18.09.2020 03:01
question
Mathematics, 18.09.2020 03:01
question
Mathematics, 18.09.2020 03:01
question
Mathematics, 18.09.2020 03:01
question
History, 18.09.2020 03:01
question
English, 18.09.2020 03:01
question
English, 18.09.2020 03:01
question
Mathematics, 18.09.2020 03:01
question
History, 18.09.2020 03:01
question
History, 18.09.2020 03:01
question
Mathematics, 18.09.2020 03:01
question
English, 18.09.2020 03:01
question
Mathematics, 18.09.2020 03:01
question
Mathematics, 18.09.2020 03:01
question
World Languages, 18.09.2020 03:01
question
Mathematics, 18.09.2020 03:01
question
Mathematics, 18.09.2020 03:01
question
English, 18.09.2020 03:01
Questions on the website: 13722363