Mathematics, 03.03.2020 03:59 cicilee49
An average light bulb manufactured by the Acme Corporation lasts 300 days with a standard deviation of 50 days. Assuming that bulb life is normally distributed:
1. What is the probability that an Acme light bulb will last more than 300 days?
2. What is the probability that an Acme light bulb will last less than 300 days?
3. What is the probability that an Acme light bulb will last exactly 300 days?
4. In order to obtain a scientific survey with 95 % confidence level of public opining on something without making more than 3% error in either direction, how much percentage of all American adults should we ask?
Answers: 2
Mathematics, 21.06.2019 16:30
Divide the following fractions 3/4 ÷ 2/3 1/2 8/9 9/8 2
Answers: 2
Mathematics, 22.06.2019 00:00
The function f(x)= x5+ ( x + 3)2 is used to create a table. if x = -1 then what is f(x)?
Answers: 1
Mathematics, 22.06.2019 00:30
The power generated by an electrical circuit (in watts) as a function of its current c (in amperes) is modeled by p(c)= -15c(c-8) what current will produce the maximum power?
Answers: 1
Mathematics, 22.06.2019 01:00
The actual length of side t is 0.045cm. use the scale drawing to find the actual side length of w
Answers: 1
An average light bulb manufactured by the Acme Corporation lasts 300 days with a standard deviation...
English, 21.01.2021 23:20
Mathematics, 21.01.2021 23:20
Mathematics, 21.01.2021 23:20
Mathematics, 21.01.2021 23:20
Spanish, 21.01.2021 23:20
Chemistry, 21.01.2021 23:20
Biology, 21.01.2021 23:20