Out of 1,100 discs tested, 13 are defective. Estimate the number of defective discs in a batch of 41,000.
A. about 485 discs
B. about 970 discs
C. about 4,850 discs
D. about 49 discs

Question

Out of 1,100 discs tested, 13 are defective. Estimate the number of defective discs in a batch of 41,000.
	A. about 485 discs 	
	B. about 970 discs 	
	C. about 4,850 discs 	
	D. about 49 discs

hoblos · Answer

1100 ----> 13
41000 --------> x

x= 41000*13/1100 = about 485 discs

anonymous · Answer

A number cube is rolled with these results: 64 ones, 67 twos, 73 threes, 59 fours, 72 fives, and 71 sixes. What is the experimental probability of rolling an even number? Write your answer as a percent, to the nearest tenth of a percent.

anonymous · Answer

The probability that Shania is on time for school is . Find the probability that Shania arrives on time for school for the next 5 days. Express your answer as a percent, to the nearest tenth of a percent.

A. 50%	

B. 15.6%	

C. 11.4%	

D. 3.1%