sarah10
 Name:

 School:
 About:
188 helpers are online right now
75% of questions are answered within 5 minutes.
Most Active Subjects

 Questions Asked
 1
 Questions Answered
 1
 Medals Received
 0

 Questions Asked
 0
 Questions Answered
 1
 Medals Received
 0

 Questions Asked
 0
 Questions Answered
 0
 Medals Received
 0

 Questions Asked
 1
 Questions Answered
 4
 Medals Received
 0

 Questions Asked
 1
 Questions Answered
 1
 Medals Received
 0

 Questions Asked
 0
 Questions Answered
 1
 Medals Received
 0

 Questions Asked
 0
 Questions Answered
 0
 Medals Received
 0

 Questions Asked
 1
 Questions Answered
 4
 Medals Received
 0

0 
Questions Answered

menggay:
Group Title
Medals PLs help me with this....
A simple random sample of 50 students is taken from a class of 300 students. In the class,
* the average m…
 updated one year ago
 9 replies
 1 Medal
Mathematics

pakinam:
Group Title
I throw darts repeatedly. Assume that on each single throw, my chance of hitting the bullseye is 10%, independently of all other throws. I d…
 updated one year ago
 13 replies
 2 Medals
Mathematics

pakinam:
Group Title
On a truefalse test, each question has exactly one correct answer: true, or false. A student knows the correct answer to 70% of the questio…
 updated one year ago
 11 replies
 3 Medals
Mathematics

pakinam:
Group Title
According to genetic theory, every plant of a particular species has a 25% chance of being redflowering, independently of all other plants.…
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

pakinam:
Group Title
A class has 3 Teaching Assistants (TAs). Each TA tosses a coin 10 times. Find the chance that at least one of the TAs gets exactly 5 heads.
 updated one year ago
 4 replies
 No Medals Yet
Mathematics

sarah10:
Group Title
To get an A grade on the test, you need a total score of more than 16 points. One of the students knows the correct answer to 6 of the 20 qu…
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

neusa88:
Group Title
In an egg carton there are 12 eggs, of which 9 are hardboiled and 3 are raw. Six of the eggs are chosen at random to take to a picnic (yes,…
 updated one year ago
 3 replies
 1 Medal
Mathematics