If the failure rate of TVs is 13.3%, how many would be expected not to fail when 1,500 TV's go to market?

If the failure rate of TVs is 13.3%, how many would be expected not to fail when 1,500 TV's go to market?

The values of a set of data are 3, 4, 6, 2, 4, 2, 3, 1, 5, 3, 4, 3, 5. What is the range of values within two standard deviations of the mean?

What is the probability of receiving a 6 or a 9 from a deck of 52 cards?

Event A has a probability of occurring of four fifths. Event B has a probability of occurring of one third. If events A and B are independent of one another, what is the probability of both events...

The U.S. Department of Agriculture requires that 80% of the seeds that a company produces sprout. To determine the quality of the seeds it produces, a company takes 500 seeds from those it has produced...

Width:20 Length: 12x+24 of all boards(rectangles). Target within board 1 measurements(rectangle): width 6x-3 length: 2x+4. target within board 2 measurements (circle): radius 6x. target...

Would appreciate if I could get some help on working this out. Thanks

One fair coin has sides labelled U and D , and another fair coin has sides labelled L and R , respectively. A token is placed at (0 , 0) on the Cartesian plane and the two coins are tossed simultaneously,...

) SUPPOSE THAT THE DISTANCES OF FLY BALLS HIT TO THE OUTFIELD (IN BASEBALL) IS NORMALLY DISTRIBUTED WITH A MEAN OF 240 FEET AND A STANDARD DEVIATION OF 40 FEET. WE RANDOMLY SAMPLE 50 FLY BALLS. IF...

I don't know how to show work for this problem. Please help!

A bag contains 8 red balls, 3 white balls, and 9 blue balls. If 3 balls are randomly chosen, what is the probability of getting 2 red balls and 1 white ball? i'm not sure how to do...

The probability of “heads” coming face-up on a single flip of a fair two-sided coin is 0.5. You flip the coin a total of eight (8) times. What is the probability of getting exactly 6 “heads” in those...

The probability that you will win a certain game is 0.4. If you play the game 8 times, what is the probability that you will win at least 6 times?

A number cube is rolled and two coins are tossed. What is the probability that the number cube shows a value greater than 4 and both coins are heads?

A license plate consists of 2 letters followed by 4 digits, letters and digits can be repeated. Find the probability that your new license plate begins with a vowel and ends with a multiple of 3....

You and three friends are going to Halloween Express to pick out your costumes. There are fifteen costumes to choose from. What is the probability that at least two of you select the same costume...

We are having a pumpkin carving contest and we are going to give 1st, 2nd, 3rd and 4th place prizes. There are 9 contestants, in how many ways can the prizes be awarded?

Each year a farmer plants bell peppers on part of his land. The bag of seeds for green bell peppers says that 5% of the seeds might be of a different color (red, orange or yellow). 2p...

Consider two random variables x and y. x can assume values 0 and 1 with some unknown probabilities. Also y can assume values 2 and 3 with probabilities 0.4 and 0.6 respectively. We also know that...

#4. 10,000 vehicles a day go through or around Baltimore continuing North on I-95. There are 4 major routes to do this: (H) I-295 the old Harbor Tunnel, (K) I-95 the new F.S. Key Tunnel, (B) I-695-s...

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