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Questions Answered

berrypicking:
A clothing designer enters a competition to show ten original outfits at a fashion show. If the designer has 12 outfits to choose from how …
 updated an hour ago
 5 replies
 No Medals Yet
Mathematics

snipefield:
Let's say we are asked to determine the 99% confidence interval of a sample. For the 99% confidence interval, we know that there is a 99% c…
 updated 3 hours ago
 1 reply
 No Medals Yet
Mathematics

reneespurlin:
What is the definition of an octave in musical terms?
 updated 2 hours ago
 3 replies
 3 Medals
Mathematics

rock_mit182:
Solve the following equation for R.
 updated 9 hours ago
 7 replies
 2 Medals
Mathematics

msp:
How many ways are there to choose eight coins from a piggy bank containing 100 identical pennies and 80 identical nickels
 updated yesterday
 1 reply
 1 Medal
Mathematics

chawla:
A standard deck consists of 52 cards, distributed as follows: There are 13 cards in each of 4 suits: hearts, diamonds, spades, and clubs. H…
 updated 2 days ago
 5 replies
 No Medals Yet
Mathematics

Brent0423:
a
 updated 2 days ago
 3 replies
 1 Medal
Mathematics

jtbulin:
When rabbits were introduced to the continent of Australia, they quickly multiplied and spread across the continent. Only primitive marsupia…
 updated 2 days ago
 8 replies
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Mathematics

Maria195:
LAST QUESTION!!
20. The diagram showed below shows the contents of a jar from which you select marbles at random.
…
 updated 3 days ago
 9 replies
 No Medals Yet
Mathematics

gullybear:
You have 12 board games, but your duffel bag will only hold 5. Let b represent the number of board games.
Select one:
…
 updated 3 days ago
 7 replies
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Mathematics

Maria195:
19. A box contains 95 pink rubber bands and 90 brown rubber bands. You select a rubber band at random from the box. Find each probability. W…
 updated 3 days ago
 18 replies
 1 Medal
Mathematics

Maria195:
13. A true or false test has 8 questions. What is the probability of guessing the correct answers to all the questions?
A. 1/10
…
 updated 3 days ago
 3 replies
 1 Medal
Mathematics

GodBlessYou:
simplify:
5x(7x+7y)
 updated 3 days ago
 12 replies
 1 Medal
Mathematics

qwerty12348765:
Suppose you have data that shows that 12% of athletes test positive for steroids. You also know that 11% of athletes test positive for stero…
 updated 3 days ago
 2 replies
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Mathematics

Kainui:
When is this true?
4 = 4
 updated 3 days ago
 10 replies
 4 Medals
Mathematics

sbadilla00:
Gerontologists interested in the effects of age on reaction time have two groups of Participants take a test in which they must indicate as …
 updated 3 days ago
 2 replies
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Mathematics

sbadilla00:
2. In a research project intended to gather data on the effects of type of study method on examination performance, participants are randoml…
 updated 3 days ago
 7 replies
 1 Medal
Mathematics

Todd_The_Best:
Many sweepstakes contests have an elimination round. In the elimination round, half of the entrants are chosen at random to go on to the fin…
 updated 4 days ago
 4 replies
 2 Medals
Mathematics

animefreakdesu:
The backtoback stemandleaf plot below shows the ages of patients seen by two doctors in a family clinic in one day. Compare the ages of …
 updated 4 days ago
 7 replies
 1 Medal
Mathematics

loganbill:
Work and power are different because
 updated 4 days ago
 1 reply
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Mathematics

jhwjr64:
You toss a fair10 times and get heads 7 times. What is the probability that the 8th toss will be a head?
 updated 5 days ago
 1 reply
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Mathematics

Summersnow8:
Birthdays of the 44 US presidents, only Polk (11th) and Harding (29th) share a common birthday (November 2). What is the probability that t…
 updated 5 days ago
 6 replies
 1 Medal
Mathematics

AlexisSong:
According to government data 15 % of employed women have never been married. Take a random sample of employed women and observe their marita…
 updated 5 days ago
 1 reply
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Mathematics

skscjswo373:
Multiple choice:
I have a choice of two routes to get to work. The probability that I choose the first route on
any day is 0.6, and the pr…
 updated 5 days ago
 7 replies
 2 Medals
Mathematics

mrrodriguez:
An experiment consists of casting a pair of dice and observing the number that falls uppermost on each die. We may represent each outcome of…
 updated 6 days ago
 4 replies
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Mathematics

tabby2014:
Randomly selected college students were selected to test their ability to determine when 1 minute has passed. Forty students yielded a samp…
 updated 6 days ago
 1 reply
 No Medals Yet
Mathematics

AlexisSong:
Can some one help me with this probability
A can of pepsi is supposed to contain, on the average 12 ounces of soda with a standard deviatio…
 updated 6 days ago
 16 replies
 2 Medals
Mathematics

staree:
The temperatures, in °C , at midnight on 10 consecutive days were
4, 1, 0, –2, –1, –3, 1, –2, 3, –1
How many of these temperatures are wi…
 updated 4 days ago
 5 replies
 1 Medal
Mathematics

Nico_dangond:
**I will give a medal and follow**
Carl can paint a room 3 hours faster than Jennifer can. If they work together, they can complete the j…
 updated 10 hours ago
 4 replies
 1 Medal
Mathematics

ninashabrang:
Probability Question!
…
 updated 7 days ago
 3 replies
 No Medals Yet
Mathematics
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