kropot72
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0 
Questions Answered

hockeychick23:
Group Title
Mr. Jackson plans to do an experiment with his selected assistant. He will roll a die 10 times. He wants to know the probability of getting …
 updated 3 hours ago
 1 reply
 No Medals Yet
Mathematics

hockeychick23:
Group Title
Mr. Jackson will announce the student he selected during today's Math Club meeting. The meeting starts at 11:30 a.m. and ends at noon. The e…
 updated 21 hours ago
 6 replies
 1 Medal
Mathematics

Bossimbacon:
Group Title
What is the solution to the system of equations represented by the two equations?
y=2/3x
…
 updated yesterday
 22 replies
 3 Medals
Mathematics

hockeychick23:
Group Title
Suppose that, based on a sample, the 95% confidence interval for the mean of the population is (27,43). What was the mean of the sample?
 updated yesterday
 3 replies
 2 Medals
Mathematics

sar12389:
Group Title
a normal distribution has a mean of 50 and a standard deviation of 6. What is the probability that a value selected at random from this data…
 updated 2 days ago
 15 replies
 No Medals Yet
Mathematics

sar12389:
Group Title
another question you might be able to help with. ::: two marbles are to be pulled from a bag that contains 2 yellow marbles, 4 green marbles…
 updated 2 days ago
 6 replies
 No Medals Yet
Mathematics

sar12389:
Group Title
The probability of a computer chip failing is 2% . if 100 computers are sold, what is the probability of 2 computer chips failing?
 updated 2 days ago
 23 replies
 1 Medal
Mathematics

josh543:
Group Title
The average annual salary of the employees of a company in the year 2005 was $80,000. It increased by the same factor each year and in 2006,…
 updated 4 days ago
 10 replies
 1 Medal
Mathematics

debbie17241:
Group Title
A boat costs $19,700 and decreases in value by 11% per year. How much will the boat be worth after 3 years?
…
 updated 4 days ago
 3 replies
 1 Medal
Mathematics

hhhkkpop:
Group Title
A financier plans to invest up to $325,000 in two projects. Project A yields a return of 10% on the investment, whereas Project B yields a r…
 updated 6 days ago
 5 replies
 1 Medal
Mathematics

js7474:
Group Title
PLEASE HELP WILL GIVE MEDAL!
 updated 8 days ago
 11 replies
 No Medals Yet
Mathematics

pigglet:
Group Title
Our sun is a ___________ star.
a.White Dwarf
…
 updated 9 days ago
 2 replies
 1 Medal
Mathematics

1497:
Group Title
The twoway table shows the number of people whose hobbies are reading or solving puzzles and who either ride a motorcycle or don’t ride a…
 updated 9 days ago
 7 replies
 1 Medal
Mathematics

sar12389:
Group Title
In a bowl of jelly beans there are 12 red, 10 black, 5 white, and 3 green. If three jellly beans are chosen one at a time, what is the proba…
 updated 10 days ago
 3 replies
 1 Medal
Mathematics

Gooby214:
Group Title
MEDAL AND FAN! PLEASE someone HELP! Haven't found any help for about an hour and have NO idea what to do!!!
An initial amount of money is …
 updated 10 days ago
 4 replies
 1 Medal
Mathematics

J.xo:
Group Title
A simple random sample of 50 adults were surveyed, and it was found that the mean amount of time that they spend surfing the Internet per da…
 updated 10 days ago
 1 reply
 No Medals Yet
Mathematics

JordanLee19:
Group Title
Please help! Medal and fan to whoever helps!
Two factory plants are making TV panels. Yesterday, Plant A produced 5000
fewer panels than Pl…
 updated 10 days ago
 3 replies
 1 Medal
Mathematics

cass2360:
Group Title
Two events that are mutually exclusive could be the total marriages under 20 and the total marriages 45 +. These two are exclusive because …
 updated 11 days ago
 10 replies
 1 Medal
Mathematics

EricWise:
Group Title
Complex logarithm stuff o.o looking for assistance with the following question (will be posted in just a moment).
 updated 11 days ago
 42 replies
 1 Medal
Mathematics

rvagrl:
Group Title
Assume that the thermometer readings are normally distributed with a mean of 0 degrees C and a standard deviation of 1.00 degrees C. A therm…
 updated 11 days ago
 5 replies
 1 Medal
Mathematics

blast234:
Group Title
The length of college football games is normally distributed with a mean time of 210 minutes and a standard deviation of 30 minutes.
A ra…
 updated 12 days ago
 15 replies
 1 Medal
Mathematics

DarkBlueChocobo:
Group Title
Help with Log models
 updated 11 days ago
 22 replies
 1 Medal
Mathematics

tejasvir:
Group Title
.
 updated 12 days ago
 22 replies
 1 Medal
Mathematics

tejasvir:
Group Title
.
 updated 12 days ago
 3 replies
 1 Medal
Mathematics

tejasvir:
Group Title
.
 updated 12 days ago
 10 replies
 1 Medal
Mathematics

rob24:
Group Title
An urn contains six red balls, five white balls, and four black balls. Four balls are drawn from the urn at random without replacement. For …
 updated 13 days ago
 33 replies
 2 Medals
Mathematics

kishor123:
Group Title
A multiple choice test consists of four questions, each of which has five choices. Each question has exactly one correct answer.
William …
 updated 12 days ago
 3 replies
 No Medals Yet
Mathematics

vilote121:
Group Title
what kinds of radiation have wavelengths shorter than those of visible light?
 updated 13 days ago
 2 replies
 No Medals Yet
Mathematics

sosa22:
Group Title
Ann has 3 oranges and 4 mangoes. Every morning for 7 days she is going to give her brother an orange or a mango. In how many different ways …
 updated 13 days ago
 1 reply
 1 Medal
Mathematics

coizy:
Group Title
A business evaluates a proposed venture as follows. It stands to make a profit of $10,000 with probability 3/20, to make a profit of $5000 w…
 updated 13 days ago
 1 reply
 No Medals Yet
Mathematics
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