Probability / Statistics

A
Standard Deviation questions
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1
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2K
marcmtlca
M
E
freshmen, sophomores and an advisor
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2
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1K
soroban
S
S
52% of adults say chocolate chip is their favorite cookie.
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1
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2K
tkhunny
tkhunny
S
The mean lifetime of a battery is 60 months, with a standard
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2
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2K
srt927
S
S
Find -z and z such that 96% of the area under the standard n
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1
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2K
galactus
G
S
Determine the 70th percentile for IQ scores (mu=100, strd de
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1
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2K
galactus
G
S
A local bank reports that 70% of its customers maintain a ch
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3
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2K
Sonya
S
M
combinations: A contractor needs to hire 5 painters. If ther
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1
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2K
stapel
stapel
M
probability: Ten thousand raffle tickets are sold, and there
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1
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2K
stapel
stapel
S
Very Confused with Stats Allocation problems.
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1
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2K
JakeD
J
M
combinations: A store sells 8 styles of jacket. The jackets
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1
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2K
wjm11
W
F
Statistics to find variance
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2
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1K
royhaas
R
Y
prove arithmetic-geometric mean inequality for n = 3
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10
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5K
yaszine
Y
M
probability formula used to find expected value of ticket
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2
Views
2K
pka
pka
M
probability that both modems selected are substandard
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2
Views
1K
galactus
G
T
Pick measurement scale: nominal, ordinal, interval, or ratio
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4
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5K
tgalante
T
Y
inequality: sqrt(xy)/z + sqrt(yz)/x + sqrt(xz)/y >= 3
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2
Views
3K
stapel
stapel
L
fit data to a "HORIZONTAL" line, not a ordinary st
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2
Views
2K
marcmtlca
M
X
Presentation for normal distribution help please
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1
Views
2K
arthur ohlsten
A
X
normal distribution problem: Suppose that SAT scores among
Replies
9
Views
4K
marcmtlca
M
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