Mathematics, 21.01.2020 23:31, gingerham1
The lifetime of a 2-volt non-rechargeable battery in constant use has a normal distribution with a mean of 516 hours and a standard deviation of 20 hours. the proportion of batteries with lifetimes exceeding 520 hours is approximately
a. 0.4207
b. 0.2000
c. 0.5793
Answers: 2
Mathematics, 21.06.2019 18:20, mairealexander87
The total cost of anja’s trip to the dentist was $628.35. she paid a flat fee of $89.95 which included the checkup and cleaning and then had 4 cavities filled, each of which cost the same amount. which shows the correct equation and value of x, the cost of each cavity filling?
Answers: 2
Mathematics, 21.06.2019 19:00, sciencegeekgirl2017
Write the pair of fractions as a pair of fractions with a common denominator
Answers: 3
Mathematics, 22.06.2019 01:00, drakesmith43
The stairs leading from the ground to the entrance of a plane forms a right triangle with the ground. if the distance of the stairs measures 22 feet and the ground distance measures 11 feet, how high is the entrance to the plane from the ground? which diagram represents this scenario? / 22ft © 22ft 11 ft 11 ft 22 it
Answers: 3
The lifetime of a 2-volt non-rechargeable battery in constant use has a normal distribution with a m...
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