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The lifetime (in months) of
A manufacturer claims that the average lifetime of its lightbulbs is equal to 36 months. A random sample of 64 bulbs has a mean
1 answer
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A manufacturer claims that the average lifetime of its lightbulbs is equal to 36 months. A random sample of 64 bulbs has a mean
1 answer
89 views
A manufacturer claims that the average lifetime of its lightbulbs is equal to 36 months. A random sample of 64 bulbs has a mean
1 answer
101 views
A manufacturer claims that the average lifetime of its lightbulbs is equal to 36 months. A random sample of 64 bulbs has a mean
1 answer
78 views
A manufacturer claims that the average lifetime of its lightbulbs is equal to 36 months. A random sample of 64 bulbs has a mean
1 answer
100 views
A manufacturer claims that the average lifetime of its lightbulbs is equal to 36 months. A random sample of 64 bulbs has a mean
1 answer
104 views
Please let me know if I solved this right
The lifetime of television produced by the Hishobi Company are normally distributed
2 answers
asked by
Holly
2,763 views
The lifetime of television produced by the Hishobi Company are normally distributed with a mean of 75 months and a standard
1 answer
asked by
Karen
927 views
Shown below are the data giving the length of life of lights in an underground tunnel.
9.0 months 7.0 months 8.2 months 8.3
1 answer
asked by
Joy
689 views
Shown below are the data giving the length of life of lights in an underground tunnel.
9.0 months 7.0 months 8.2 months 8.3
3 answers
asked by
Joy
945 views