Mathematics, 15.08.2019 11:10 jjjjjjjbvhnchjkj
The average battery life of 2800 manufactured cell phones is recorded and normally distributed. the mean battery life is 12 hours with a standard deviation of 1.3 hours. find the number of phones who have a battery life in the 12 to 13.3 range. ∗ *round your answer to the nearest integer. **do not include commas in your answer.
Answers: 1
Mathematics, 21.06.2019 22:40, michaellagann2020
Adeli owner keeps track of the to-go orders each day. the results from last saturday are shown in the given two-way frequency table. saturday's to-go deli orders in person by phone online total pick up 38 25 31 94 delivery 35 28 34 97 total 73 53 65 191 what percent of the to-go orders were delivery orders placed by phone? a. 14.66% b. 38.41% c. 28.87% d. 52.83%
Answers: 2
Mathematics, 21.06.2019 23:00, stodd9503
Frank has a devised a formula for his catering business that calculates the number of meatballs he needs to prepare. the formula is m=4a+2c, where c=number of children; m=number of meatballs; a=number of adults. how many meatballs are required for a party of 10 adults and 5 children?
Answers: 1
Mathematics, 21.06.2019 23:00, mattdallas6214
Type the correct answer in each box. use numerals instead of words. the average number of subscribers to an online magazine each year from 2010 to 2015 is given in the table below. the average number of subscribers to the online magazine in 2010 was the percent increase in the average number of subscribers in 2011 to the average number of subscribers in 2012 was %. the maximum average number of subscribers to the online magazine in the years shown was
Answers: 2
The average battery life of 2800 manufactured cell phones is recorded and normally distributed. the...
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