2018 Maru 1600 70 Homework: Section 6.2 Homework Score: 0.11 of 1 pt HWScorw 589

Question

2018 Maru 1600 70 Homework: Section 6.2 Homework Score: 0.11 of 1 pt HWScorw 5895, 1001 of 18 pts 6.2.35-T Use technology to nd the probablities Use the Tech Helo bution for uther istance h) Fiend and int the probability that eactly 18 Sights ae onte Find and inere the probabuility that fewer than 18 Sights are on No. becase the trials of the experment are ot dependent No because the probability of success iffers from alto es because the experiment satisfes all thec for abinomal No becaune there are more than utually esclusive oulcomes for each ba experient ) The probability hat enactly 18 ights are on tie i Round to four decimal places an needed)

Explanation / Answer

b) P(X = 18)

Use Excel function

BINOM.DIST(18,20,0.90,FALSE)

= 0.2852

c) P(X>=18)

Use Excel function

1-BINOM.DIST(17,20,0.90,TRUE)

= 0.6769

d) P(X<18)

Use Excel function

BINOM.DIST(17,20,0.90,TRUE)

= 0.3231

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