1. An electric firm manufactures light bulbs that have a lifetime, X, that is approximately norma...

Question

Question

1. An electric firm manufactures light bulbs that have a lifetime, X, that is approximately normally distributed with a stand

math Statistics-And-Probability

Answer 1

Answer #1

0 ven TOX 16o to : μ-800 2.S 220 25 : 95 95 /sao -(-095 we aceept n* Po 25 3) ะ-60 25 2 40 poe.ol64

Answer 2

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