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 1 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?

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 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 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?

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 box contains 10 identical electronic components of which 4 are defective. If 3 components are selected at random from the box in succession, without replacing the units already drawn, what is the probability that two of the selected components are defective ?

There are 5% defective items in a large bulk of items. What is the probability that a sample of 10 items will include not more than 1 defective item.