The panels for the Pulsar 32-inch widescreen LCD HDTVs in a production run were

Question

The panels for the Pulsar 32-inch widescreen LCD HDTVs in a production run were checked by examining samples of 6. The following table shows the number of defective panels contained in a distribution of 30 samples.

a) Find the mean number of defective panels per sample. (Round your answer to three decimal places.)

b) Assuming that the distribution is binomial, estimate the percentage of defective panels in the production run. (Round your answer to one decimal place.)

The panels for the Pulsar 32-inch widescreen LCD HDTVs in a production run were checked by examining samples of 6. The following table shows the number of defective panels contained in a distribution of 30 samples Number of Defective Panels 0 in a Sample of 30 Number of Samples 4 or more 22 3 32 Find the mean number of defective panels per sample. (Round your answer to three decimal places.) Assuming that the distribution is binomial, estimate the percentage of defective panels in the production run. (Round your answer to one decimal place.)

Explanation / Answer

total number of defective panels per sample =0*22+1*3+2*3+3*2+4*0=15

a)therfore mean number of defecive panels per sample =15/30 =0.5

b) percentage of defective panels in the production run =total defective /total units =15/(30*6)=0.0833 ~ 8.3%

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