Mathematics, 26.11.2019 02:31 villatoroo84502
An electrical firm manufactures light bulbs that have a length of life that is approximately normally distributed, with mean equal to 800 hours and a standard deviation of 40 hours. find the probability that a random sample of 16 bulbs will have an average life of less than 775 hours.
Answers: 3
Mathematics, 21.06.2019 19:00
For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')
Answers: 1
Mathematics, 21.06.2019 20:00
The boiling point of water at an elevation of 0 feet is 212 degrees fahrenheit (°f). for every 1,000 feet of increase in elevation, the boiling point of water decreases by about 2°f. which of the following represents this relationship if b is the boiling point of water at an elevation of e thousand feet? a) e = 2b - 212 b) b = 2e - 212 c) e = -2b + 212 d) b = -2e + 212
Answers: 1
Mathematics, 21.06.2019 21:40
Scores on the cognitive scale of the bayley-scales of infant and toddler development range from 1 to 19, with a standard deviation of 3. calculate the margin of error in estimating the true mean cognitive scale score, with 99% confidence, if there are 12 infants and toddlers in a sample.
Answers: 3
Mathematics, 21.06.2019 23:40
Which of the following is best modeled using a linear equation y=ax+b, where a is less than 0?
Answers: 2
An electrical firm manufactures light bulbs that have a length of life that is approximately normall...
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