Question

A worker takes a random sample of 290 bolts and finds that 29 of them are either too long or too short, thus making them unusable. Estimate the number of unusable bolts in a production of 20,000 bolts.

Answer 1

A bag contains 4 green marbles and 5 white marbles. Suppose a marble is randomly selected. What are the odds in favor of picking a white marble?

Answer 2

rolling a 4 on each of 4 number cubes

Answer 3

1)
2000

2)\[\frac{ 5 }{ 9 }\]
3)\[\frac{ 1 }{ 1296 }\]