Ask a New Question
Search
An electrical firm manufactures light bulbs that have a usuable life that is normally distributed with a mean of 1000 hours and a standard deviation of 80 hours. Find the probability that a package of 4 bulbs would last at least 4400 hours.
Ask a New Question
or
answer this question
.
Similar Questions
2. An electrical firm manufactures light bulbs that have a length of life that is normally distributed with a standard deviation
0 answers
An electrical firm which manufactures a certain type of bulb wants to estimate its mean life. Assuming that the life of the
1 answer
–/3 points Notes Question: TanColM7 8.6.003.
TKK Products manufactures electric light bulbs in the 50-, 60-, 75-, and 100-watt
0 answers
–/3 points Notes Question: TanColM7 8.6.003.
TKK Products manufactures electric light bulbs in the 50-, 60-, 75-, and 100-watt
1 answer
more similar questions