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 18:00
Enter numbers to write 0.000328 0.000328 in scientific notation. 1 1 0.000328=3.28 × 0 . 000328 = 3 . 28 × =3.28×10 = 3 . 28 × 10
Answers: 1
Mathematics, 21.06.2019 18:00
Fanny mendelssohn manages all the magazines and paperback books at a local grocery store. she prices many paperbacks to sell at $7.99. the cost to the store is $5.29. what is the markup rate on a paperback book, based on its cost?
Answers: 1
The average battery life of 2800 manufactured cell phones is recorded and normally distributed. the...
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