Recent questions in Statistics and Probability

Study design
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Cabiolab
2020-11-05

Binomial probability
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ka1leE
2020-11-05

Scatterplots
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he298c
2020-11-05

Normal distributions
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Anish Buchanan
2020-11-05

A)95%, 45 and 55

B)95%, 40 and 60

C)68%, 40 and 60

D)95%, 35 and 65

E)99%, 40 and 60

Normal distributions
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Efan Halliday
2020-11-05

Suppose Z, the random variable, has a normal distribution, calculate the following probabilities (Round to two decimal places)

a)$P(z>1.9)$

b)$P(-2\le z\le 1.2)$

c)$P(z\ge 0.2)$

Study design
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Nannie Mack
2020-11-05

a. Describe each type of statistical study.

b. With respect to possible conclusions, what important difference exists between these two types of statistical studies?

Probability
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hexacordoK
2020-11-03

Probability
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BolkowN
2020-11-03

Scatterplots
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pedzenekO
2020-11-02

We have to explain the relationship between employee performance 01 and employee performance 02 using the scater plot

Study design
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Tolnaio
2020-11-01

Some of the infants were given the medication at birth and others were not. All infants will undergo extensive testing at age 2 to assess various aspects of development.

What type of study design: The Case Report/Case Series, The Cross-Sectional Survey, The Cohort Study, The Case Control Study, The Nested Case-Control Study, The Randomized Controlled Trial or The Crossover Trial?

Binomial probability
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Anonym
2020-11-01

Scatterplots
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waigaK
2020-11-01

Study design
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nitraiddQ
2020-11-01

Scatterplots
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Anish Buchanan
2020-11-01

Normal distributions
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sjeikdom0
2020-11-01

a. Two normal distributions that have the same mean are centered at the same place, regardless of the relationship between their standard deviations.

b. Two normal distributions that have the same standard deviation have the same spread, regardless of the relationship between their means.

Binomial probability
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SchachtN
2020-11-01

Scatterplots
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Phoebe
2020-10-31

A.

B. (–1, –1), (0, 0), (1, 1), (2, 8)

C.

D. (–1, 1), (0, 0), (1, 1), (2, 4)

Study design
Answered

foass77W
2020-10-28

Which of the following claims about cohort and case-control studies is true, and which ones are false?

(I) Case-control studies are controlled experiments, whilst cohort studies are observational studies.

(II) Case-control studies are better for rare diseases, compared to cohort studies.

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