Question

Sheila drew single marbles from a bag, recorded the outcome, and replaced the marble. In 50 draws, Sheila drew 20 white marbles and 30 black marbles. What is the experimental probability that the next marble will be black? A.2/5 B. 3/5 C. 2/3 D. 3/7

Answer 1

B. 30/50 = 3/5

Answer 2

Thanks :) Can you help me with my other math homework?

Answer 3

Three out of 200 machine parts were found to be defective.
About how many parts would be expected to be defective out of 2500 parts? A.15 B. 30 C. 38 D. 67

Answer 4

It's 37.5 but i guess that you want it rounded so it must be C

Answer 5

Ok next question.The table shows the results of a spinner with four colored sections. Use the table to answer the question.
The spinner is spun 50 more times.
Which is the best prediction for the number of times the spinner will stop on blue? http://static.k12.com/calms_media/media/1416500_1417000/1416594/1/4a6a128174ef4cce8333d1b7887f0e5c9ae95554/FGA_130913_160910.jpg thats the URL

Answer 6

12

Answer 7

Ok next one. The table shows the results of drawing letter tiles from a bag.

What is the probability that the next tile drawn will have the letter C on it? A. 1/18 B.6/25 C.9/25 D. 18/25. http://static.k12.com/calms_media/media/1416500_1417000/1416595/1/5ed9dcef8dd7dcfdb451e19005fb94db10bbcd87/FGA_130913_160911.jpg

Answer 8

c

Answer 9

Ok next one. A bag contains 60 marbles of various colors. Shana draws 48 times, each time replacing the marble before drawing again. She gets a total of 8 green marbles.
Which is best prediction of how many green marbles are in the bag? A. 4 B. 6 C.8 D. 10

Answer 10

d 10

Answer 11

Thanks! That was my last question for homework :)