1. Rolex is an expensive watch is powered by a 3-V Lithium expected to last five...

1. Rolex is an expensive watch is powered by a 3-V Lithium expected to last five years. Suppose the life of a battery has a standard deviation of ± 0.30 years and is normally distributed.

Tell Rolex Corporation the following:

1. the length-of-life value for which 2.5 % of the watch batteries last longer.

2. the length-of-lifetime for which 5% of the watch batteries last longer!

Solutions

Expert Solution

1) 5.588 years

2) 5.4935 years

orchestra answered 1 year ago

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