# Posts by Rahat

Total # Posts: 10

**math/statistics**

Evaluate the quantity. 3 · P(6, 4) · C(8, 5)

**math/statistics**

From a shipment of 65 transistors, 4 of which are defective, a sample of 6 transistors is selected at random. (a) In how many different ways can the sample be selected? ways (b) How many samples contain exactly 3 defective transistors? 166320 samples (c) How many samples do ...

**math/statistics**

In a past presidential election, it was estimated that the probability that the Republican candidate would be elected was 1/3, and therefore the probability that the Democratic candidate would be elected was 2/3 (the two Independent candidates were given no chance of being ...

**math/statistics**

In a manufacturing plant, three machines, A, B, and C, produce 37%, 36%, and 27%, respectively, of the total production. The company's quality-control department has determined that 1.5% of the items produced by Machine A, 2% of the items produced by Machine B, and 2.5% of...

**math**

Two cards are drawn in succession without replacement from a standard deck of 52 cards. What is the probability that the first card is a spade given that the second card is a diamond? (Round your answer to three decimal places.)

**math**

Urn A contains four white balls and seven black balls. Urn B contains six white balls and three black balls. A ball is drawn from Urn A and then transferred to Urn B. A ball is then drawn from Urn B. What is the probability that the transferred ball was white given that the ...

**math**

In a survey to determine the opinions of Americans on health insurers, 400 baby boomers and 600 pre-boomers were asked this question: Do you believe that insurers are very responsible for high health costs? Of the baby boomers, 232 answered in the affirmative, whereas 192 of ...

**math**

In a survey of 200 employees of a company regarding their 401(k) investments, the following data were obtained. 150 had investments in stock funds. 78 had investments in bond funds. 60 had investments in money market funds. 46 had investments in stock funds and bond funds. 38 ...

**algebra**

J.22

**Calculusss heeelp plzzz**

A rocket is being tracked from a radar post that is 10 km from the launch pad.the rocket arises vertically at a height of 17.32 km and then turns at an angle of 30 degrees fron the vertical directly away from the radar post .it then travels at the constant speed of 12000...