LF liht hu that the company manufactures is13%. Suopose random samole of 10 LED

Question

LF liht hu that the company manufactures is13%. Suopose random samole of 10 LED ight bulbs is selected Complete parts (ai trough (d) below. a. What i the probubility that nore of the LED ight bulba are deiective? The probablity that none of the LED light bulbs re defectie is Type an Intagcr cr adecimal Round bo four decimal placs a nsodcd.) Trpe an integer cr deambl. Round to four decimel paces "seded.) C. What is tha probabity that tuo or sower ct tha LEL Ight b ar Tha prebahlty that twa ar tawar ot ane LED ign bu ara daciva is tefacthe d. What is the probablty that three or more oi the LED liht buts re defective? The probabiliny thst three or more of the LED light bulbs are d:fectve i Type an Intagcr cr adecimal Round bo four decimal placs a nsodcd.)

Explanation / Answer

This will be a binomial distribution with parameters:

n = 10, p = 0.13

Hence by using binomial calculator, requiredd probabilities will be:

a) P(None) = P(X = 0) = 0.2484

b) P(Exactly 1) = P(X = 1) = 0.3712

c) P(Two or Fewer) = 0.8692

d) P(Three or more) = 0.1308

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