Questions LLC
Login
or
Sign Up
Ask a New Question
Mathematics
Probability
Expected Value
90% of population is unemployed. Assume 10 employable people are to be selected randomly. what is the expected number of those unemployed.
1 answer
.9 * 10 = 9
You can
ask a new question
or
answer this question
.
Similar Questions
the true unemployment rate is 7%. assume that 100 employable are selected randomly. what is expected number who is unemployed?
Top answer:
7% = 0.07 0.07 * 100 = 7
Read more.
The unemployment rate is 5.8% (Bureau of Labor Statistics, April 3, 2003). Suppose that 100 employable people are selected
Top answer:
An excel spreadsheet is very helpful for these kinds of calculations. You could calculate these
Read more.
the true unemployment rate is 7% assume that 100 employable people are selected randomly
Top answer:
7% means 7 per hundred. Does that help?
Read more.
the four wealthiest people in a particular country are 46,33,27,15 assume that samples of size n=2 are randomly selected with
Top answer:
To find the possible samples of size 2 that can be selected with replacement from the given
Read more.
The assets (in billions of dollars) of the four wealthiest people in a particular country are 46, 25, 22, 16. Assume that
Top answer:
no
Read more.
the assets (in billions of dollars) of the four wealthiest people in a particular country are 39, 32, 11, 10. assume that
Top answer:
What is your question?
Read more.
the assets (in billions of dollars)of the four wealthiest people in a particular country are 46,34,12,10. Assume that the
Top answer:
Consider using p-value to test H0 versus Ha by setting á equal to .10. We reject H0 at level á of
Read more.
Find the probability that among six randomly selected people, exactly four of them have brown eyes. Assume that 40% of the
Top answer:
p = .4 so (1-p) = .6 binomial distribution n = 6 k = 4 C(n,k) = n!/[ k! (n-k)! ] = 6!/[4!(2!)] =
Read more.
Construct a 90% confidence interval for the population mean. Assume the population has a normal distribution. A same of 15
Top answer:
CI=2.86 ± 1.76*0.78/√15 =2.86 ± 0.3545 c) (2.51, 3.21)
Read more.
construct a 90 confidence interval for the population mean ÃŽ¼. assume the population has a normal distribution. A sample if
Top answer:
90% = mean ± 1.645 SEm SEm = SD/√n
Read more.
Related Questions
Which best describes bias, if any, from the sample surveyed?
survey: voter preference in an upcoming election sample: randomly
Assume that blood pressure readings are normally distributed with a mean of 123 and a standard deviation of 9.6. If 144 people
about 35% of a population has blue eyes if four different people are randomly selected what is the probability that they all
According to one study, 61% of the population swallow at least one spider per year in their sleep. Based on
this study, what is
Use the following sample to estimate the population
proportion of American citizens who are currently unemployed. Cities Employed
Suppose the following data are selected randomly from a population of normally distributed values.
42 51 43 48 41 57 54 39 45 48
Construct a 99% confidence interval for the population mean, ì. Assume the population has a normal distribution. A group of 19
In a region, 90% of the population have brown eyes. If 15 people are randomly selected, find the probability that at
least 13 of
Q1. A population has a mean of µ = 80 with σ = 20.
a. If a single score is randomly selected from this population, how much
ten randomly selected people were asked how long they slept at night. The mean time was 7.1 hours and the (sample) standard
