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Questions Answered

HelpHollie:
Group Title
What's relative frequency when rolling dice? I have a table with the scores (16) and frequency below it then relative frequency below that…
 updated 3 days ago
 1 reply
 No Medals Yet
Mathematics

kianatalani:
Group Title
Given the venn diagram below, if a student is randomly selected, what is the probability that he or she is not attending both colleges?
A)…
 updated 7 days ago
 4 replies
 No Medals Yet
Mathematics

nicole180:
Group Title
find the amount accumulated after investing a principal p for t years at an interest rate r. P=$460,t=9,r=6% compounded continiously. What i…
 updated 7 days ago
 1 reply
 No Medals Yet
Mathematics

mkumbera:
Group Title
what percentage is the growth between 7100 and 8449?
 updated 9 days ago
 3 replies
 1 Medal
Mathematics

julian25:
Group Title
A strabismus surgery has a probability of 0.9 of success in the first attempt and a probability of 0.98 of success in the second attempt. Us…
 updated 11 days ago
 8 replies
 1 Medal
Mathematics

bvblover83014:
Group Title
Question 9.9. Solve the following system of equations.
…
 updated 12 days ago
 4 replies
 No Medals Yet
Mathematics

JoeJoldin:
Group Title
Trick math question on data?
 updated 12 days ago
 5 replies
 2 Medals
Mathematics

ImaGuest:
Group Title
Can someone help me with a question for a medal?
 updated 12 days ago
 6 replies
 4 Medals
Mathematics

kmallum:
Group Title
what are the odds against two or more people having the same birthday in a group of 6 people? I'll give a medal
 updated 14 days ago
 1 reply
 1 Medal
Mathematics

nello:
Group Title
Help with Algebra 2??
 updated 15 days ago
 3 replies
 1 Medal
Mathematics

NicholasWong752:
Group Title
HELP. PLEASE. Offspring of a particular genetic cross have an undesirable trait
with probability 1/8. Inheritance of this trait by separat…
 updated 15 days ago
 13 replies
 3 Medals
Mathematics

countrygirl1431:
Group Title
PLEASE HELP
The cause of the earth's magnetic field is not fully understood by scientists.
True
…
 updated 15 days ago
 2 replies
 No Medals Yet
Mathematics

sweet_muffin:
Group Title
A supermarket sells two flavors of cereal: a fruit flavor and a chocolate flavor. In a market survey, the event that a customer says he or s…
 updated 16 days ago
 8 replies
 No Medals Yet
Mathematics

SerhiyZ:
Group Title
The deciles of any distribution are the 10th, 20th, … , 90th percentiles. The first and last deciles are the 10th and 90th percentiles, resp…
 updated 17 days ago
 1 reply
 2 Medals
Mathematics

Jackeline1928:
Group Title
System of Equations and Inequalities.
$600,000 is borrowed for 1 year. Some of the money was borrowed at a 4% interest rate the rest was at…
 updated 17 days ago
 9 replies
 1 Medal
Mathematics

mcnabkt:
Group Title
amelia sets her CD player to randomly select songs from the 4 CD's she has loaded. Disc A has 8 songs, disc B has 10 songs, disc C has 7 son…
 updated 17 days ago
 41 replies
 5 Medals
Mathematics

SkiGirl97:
Group Title
The standard deviation of a population is known to be 7.8. If the sample size is 85, what is the standard error of the mean?
A. 0.22
…
 updated 22 days ago
 1 reply
 1 Medal
Mathematics

DarkBlueChocobo:
Group Title
The formula for continuously compounded interest on a principal investment P at a given interest rate r over time t in years is given by A =…
 updated 23 days ago
 9 replies
 1 Medal
Mathematics

hockeychick23:
Group Title
Mike, Tania, Bill, and Rachel each took many samples from the same population of students. The number of students in each of their samples i…
 updated 23 days ago
 7 replies
 2 Medals
Mathematics

srodda15:
Group Title
How much money will you need to deposit to earn $75 in simple interest in 6 months if your banks pays 5% annually?
 updated 26 days ago
 3 replies
 No Medals Yet
Mathematics

hockeychick23:
Group Title
Suppose that many samples are taken from a population whose standard deviation is 5.5. If the size of each sample is 64, which of the follow…
 updated 25 days ago
 3 replies
 1 Medal
Mathematics

lolgarcialol:
Group Title
Ten elementary school students are eligible to be appointed to two positions: attendance taker ad lunch counter. How many unique arrangement…
 updated 29 days ago
 4 replies
 No Medals Yet
Mathematics

annafrid:
Group Title
PLEASE HELP ASAP
Heather and Isabelle play a twoperson game which is won by the first person to accumulate 10 points. At each turn Heath…
 updated one month ago
 4 replies
 1 Medal
Mathematics

annafrid:
Group Title
HELP ASAP
Markov plays a game for three turns. On each turn, he either rolls a fair, six sided die or flips a fair coin. If he rolls a 1 …
 updated one month ago
 11 replies
 1 Medal
Mathematics

annafrid:
Group Title
HELP ASAP
A fair coin is flipped 7 times. What is the probability that at least 5 of the flips come up heads?
 updated one month ago
 1 reply
 2 Medals
Mathematics

dezz_theoffical101:
Group Title
The following is a graph showing the displacements and times for the winner of a horse race. What was the average speed of the horse that wo…
 updated 10 days ago
 3 replies
 No Medals Yet
Mathematics

cbv80:
Group Title
What conditions must be met in order for a sampling distribution of proportions to be approximated by a normal distribution?
 updated one month ago
 2 replies
 2 Medals
Mathematics

Dianie:
Group Title
Please help
…
 updated one month ago
 7 replies
 1 Medal
Mathematics

kropot72:
Group Title
Qualified Helpers Program
Is there any restriction on the country of residence for those interested in applying to be Qualified Helpers?
 updated one month ago
 5 replies
 5 Medals
Mathematics

Kim21:
Group Title
what number is 73% of 215
 updated one month ago
 29 replies
 1 Medal
Mathematics
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