A packet of 10 electronic components is known to include 3 defectives. If 4 components are selected from the packet at random, what is the expected value of the number of defective?

A packet, of 10 electronic components is known to include 3 defectives. If 4 componenets are randomly chosen and tested, what is the probability of finding not more than one defective in the packet?

A packet of 10 electronic components is known to include 2 defectives.If a sample of 4 components is selected at random from the packet,what is the probability that the sample does not contain more than 1defective?

A packer of 10 electronic components is known to include 3 defectives. If 4 components are random chosen and tested, what is the probability of finding among them not more than one defective?

A lot of 10 electronic components is known to include 3 defective parts.If a sample of 4 components is selected at random from the lot, what is the probability that this sample does not contain more than one detectives?

In a pack of 10 watches, 3 are known ot be defective. If 2 watches are selected at random from the pack, what is the probability that at least one is defective ?

A lot of 100 watches is known to have 10 defective watches.If 8 touches are selected (one by one with replacement) at random, what is the probability that there will be at least one defective watch?

A lot of 100 watches is known to have 10 defective watches. If 8 watches are selected (one by one with replacement) at random, what is the probability that there will be at least one defective watch?

A lot of 100 watches is known to have 10 defective watches. If 8 watches are selected (one by one with replacement) at random, then what is the probability that there will be atleast one defective watch ?

A lot of 100 watches is known to have 10 defective watches. If 8 watches are selected (one by one with replacement) at random, then what is the probability that there will be atleast one defective watch ?

A lot of 100 watches is known to have 10 defective watches. If 8 watches are selected (one by one with replacement) at random, then what is the probability that there will be atleast one defective watch ?