a bbq grill production line manager wantsto know the proportion of defective BBQ

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a bbq grill production line manager wantsto know the proportion of defective BBQ grills produced bu hos random production process. Answer all blanks History Bookmarks Window Help courses, aplia com YouTube Google My Drive Google Drive Aplia: Student Question PSY-2113-001: Pages 1. What to expect of sample proportions A BBQ grill production line manager wants to know the proportion of defective BBQ grills produced by his production process. Rather than checking every BBQ grill produced, the production manager plans on taking a random sample of size 160 in order to estimate the proportion of defective BBQ grills being produced by the process, If the sample proportion of defective BBQ grills is greater than 5 out of 100, the manager wil consider adjusting the production Expressed as percentage, the manager will consider adjusting the production process if the percentage of defective BBQ grills being produced is greater than 5% Expressed as proportion, the manager will consider adjusting the production process if the proportion of defective BBQ grills being produced is greater than 0.05 Expressed as probability, the manager will consider adjusting the production process if the probability that a randomly selected BBQ gril is defective is greater than suppose that the true (but unknown proportion of defective BBQ grills is 0.o4. if many samples of size 160 are taken, the expected mean of the sample proportions will be s will be standard deviation of the sample proportion The frequency curve made from the sample proportions of the many samples to be approximately bell-shaped because: Q The Rule for Sample Proportions apples. O since many samples are taken, the frequency curve will always be approximately bell-shaped Q The Rule for Sample Proportions does not apply. MacBook Pro

Explanation / Answer

I am answering the questions one by one from up to down.

0.05

0.04 , 0.015492(approx)

usually , The rule for sample proportions

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