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 lot of 40 bulbs contain 10 defective one. One bulb is selected at random from the lot what is the probability that. This bulb is defective? Suppose the bulb selected in previous case in not defective and is not replaced. Now one bulb is selected at random. from the test what is the probability that this bulb is not 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.