Calculus and Above

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Give one example of a probability distribution and one
Give one example of a probability distribution and one example of a non-probability distribution. Explain what properties to determine your example is or is not a probability distribution.Give an exam… read more
Kofi
PhD in Statistics
Ph.D.
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Assume that when adults with smartphones are randomly​
Assume that when adults with smartphones are randomly​ selected, ​42% use them in meetings or classes. If 13 adult smartphone users are randomly​ selected, find the probability that fewer than 5 of th… read more
rajeevanpillai
Master's Degree
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A science teacher claims that the mean scores on a science
A science teacher claims that the mean scores on a science assessment test for fourth grade boys and girls are equal. The mean score for 28 randomly selected boys is 153 with a standard deviation of 3… read more
Keith Pelletier
Master's Degree
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To the right are the outcomes that are possible when a
To the right are the outcomes that are possible when a couple has three children. Assume that boys and girls are equally​ likely, so that the eight simple events are equally likely. Find the probabili… read more
Ann
Tutor
MSC Mathematics
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To the right are the outcomes that are possible when a
To the right are the outcomes that are possible when a couple has three children. Assume that boys and girls are equally​ likely, so that the eight simple events are equally likely. Find the probabili… read more
Kimberley Wright
Masters
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If a researcher wanted to compare intelligence among 10-year
If a researcher wanted to compare intelligence among 10-year old boys and girls, which hypothesis test would be most appropriate? Group of answer choicesz-testIndependent-samples t-testSingle-sample t… read more
Ann
Tutor
MSC Mathematics
10,022 satisfied customers
When two births are randomly​ selected, the sample space for
When two births are randomly​ selected, the sample space for genders is​ bb, bg,​ gb, and gg. Assume that those four outcomes are equally likely. Construct a table that describes the sampling distribu… read more
rajeevanpillai
Master's Degree
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When two births are randomly selected, the sample space for
when two births are randomly selected, the sample space for genders is b, bg, gb, and gg. assume that those four outcomes are equally likely. construct a table that descibes the sampling distribution … read more
Scott
Master's Degree
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At one hospital there were 796 boys and 764 girls born
At one hospital there were 796 boys and 764 girls born during one particular year. If a delivery from that year at the hospital is chosen at random, what is the probability that the baby is a girl? Wr… read more
Ashleigh T
Educator
Master's Degree
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Use normal approximation to estimate the probability of
Use normal approximation to estimate the probability of getting at least 55 girls in 100 births. Assume that boys and girls are equally likely.… read more
Sandhya_sharma
Master's Degree
Master's Degree
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What P-value was found when determining whether there is a
What P-value was found when determining whether there is a difference in the IQ of girls and boys in problem 6? Should you reject the null hypothesis? P-Value = 0.465. Yes, you should reject the null … read more
Sandhya_sharma
Master's Degree
Master's Degree
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1. I suspect that around 75% of my students will come to class
1. I suspect that around 75% of my students will come to class each day (except for the exam dates.). How large sample do I need to ensure a 94% confidence with a margin of error of no more than 3%. S… read more
Ryan
Bachelor's Degree
4,665 satisfied customers
Attachment: 2014-08-23_062052_8.22.14_psy845.r.output_for_mod_5_exercises.docx Attachment: 2014-08-23_062135_8.22.14__module_5_questions.docx Attachment: 2014-08-23_062242_8.22.14_psy845.r.output_for_… read more
Ryan
Bachelor's Degree
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1) Identify each of the following as examples of nominal, ordinal,
1) Identify each of the following as examples of nominal, ordinal, interval, or ratio scales of measurement. 1. A poll of registered voters in Florida asking wich candidate they support 2. The lenght … read more
Stevewh
Teacher
Bachelor's Degree
6,427 satisfied customers
1. Suppose we want to design a new placebo-controlled trial
1. Suppose we want to design a new placebo-controlled trial to evaluate an experimental medication to increase lung capacity. The primary outcome is peak expiratory flow rate, a continuous variable me… read more
Chirag
Master's Degree
10,329 satisfied customers
1) Identify each of the following as examples of nominal, ordinal,
1) Identify each of the following as examples of nominal, ordinal, interval, or ratio scales of measurement. 1. A poll of registered voters in Florida asking wich candidate they support 2. The lenght … read more
Math-John
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large crowd of people with twelve star signs so equal chance
large crowd of people with twelve star signs so equal chance of a star sign picked at randon. Five people selected randomly. What is the probability that at least 2 star signs are the same.… read more
Stevewh
Teacher
Bachelor's Degree
6,427 satisfied customers
Explain a unique-real situation where probabilities exist.
Explain a unique-real situation where probabilities exist. Point out all of the outcomes, and the probabilities associated with each outcome.… read more
SusanAthena
Master's Degree
Master's Degree
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