Question
In: Statistics and Probability
In a random sample of 1,000 people, it is found that 7.7% have a liver ailment....
In a random sample of 1,000 people, it is found that 7.7% have a liver ailment. Of those who have a liver ailment, 6% are heavy drinkers, 55% are moderate drinkers, and 39% are nondrinkers. Of those who do not have a liver ailment, 9% are heavy drinkers, 45% are moderate drinkers, and 46% are nondrinkers. If a person is chosen at random, and he or she is a heavy drinker, what is the probability of that person having a liver ailment? f a person is chosen at random, what is the probability the person is a moderate drinker?
Solutions
orchestra answered 2 years agoRelated Solutions
A random sample of 25 people is surveyed, and it was found that they spent an...
A random sample of 25 people is surveyed, and it was found that
they spent an average of 32 hours a week watching TV. The standard
deviation of their sample was 6 hours.
(a) Calculate a 95% confidence interval for the average number
of hours spent watching TV per week (population mean µ -
using two-tailed distribution).
(b) What is the 95% confidence interval for the single
26th person to be surveyed?
(c) What is the 95% confidence interval (two-sided...
A simple random sample of 10 people shopping at Target found a sample mean age of...
A simple random sample of 10 people shopping at Target found a
sample mean age of 27 and a sample standard deviation of 4.27 yrs.
Can the market research team definitively declare that the mean age
of the population of shoppers at Target is less than 30? Suppose
that the level of significance is 0.05.
A poll of a random sample of 25302530 people found that 6060% said that religion is...
A poll of a random sample of
25302530
people found that
6060%
said that religion is at least "somewhat important" in their
lives. The screen shot to the right shows how a calculator reports
the results of a significance test for which the alternative
hypothesis is that a majority of people believe religion is at
least "somewhat important" in their lives. State and interpret the
five steps of a significance test in this context, using
information shown in the screenshot...
The waiting times (in minutes) of a random sample of 20 people at a bank have...
The waiting times (in minutes) of a random sample of 20 people
at a bank have a sample standard deviation of 3.4 minutes.
Construct a confidence interval for the population variance sigma
squared and the population standard deviation sigma. Use a 90 %
level of confidence. Assume the sample is from a normally
distributed population.
A random sample of 23 rabbits is found to have an average length of 43.6 cm...
A random sample of 23 rabbits is found to have an
average length of 43.6 cm and a standard deviation of 11.3
cm find the 80%
confidence for the mean length for the entire population of rabbits
which these were sampled.
A random sample of 40 bags of flour is weighed. It is found that the sample...
A random sample of 40 bags of flour is weighed. It is found that
the sample mean is 453.08 grams. All weights of the bags of flour
have a population standard deviation of 5.42 grams. What is the
lower limit of an 80% confidence interval for the population mean
weight?
Select one:
A. No solution
B. 451.983 grams
C. 452.360 grams
D. 452.405 grams
After interviewing a sample of 100 residents of New Taipei City,
you find that the mean...
A random sample of 40 bags of flour is weighed. It is found that the sample...
A random sample of 40 bags of flour is weighed. It is found that
the sample mean is 453.08 gram. All weights of the bags of flour
have a population standard deviation of 5.42 gm. What is the lower
confidence limit (LCL) of an 80% confidence interval for the
population mean weight?
If I sample 50 people at random, how many people would I expect to have IQ...
If I sample 50 people at random, how many people would I expect
to have IQ scores… (round to the nearest person) Dtandard deviation
16 mean of standard 100
(a) below 90?
(b) below 110?
(c ) above 70
(d) above 115
Question text In a random sample of 200 people, 32 people have blue eyes (characteristic B)....
Question text
In a random sample of 200 people, 32 people have blue eyes
(characteristic B). Which of the following 95% confidence intervals
estimate the true proportion pp of measurements in the
population with characteristic B?
Select one:
a. (0.109, 0.211)
c. (0.431, 0.712)
d. (0.561, 0.912)
ssume that 32.632.6% of people have sleepwalked. Assume that in a random sample of 15011501 adults,...
ssume that
32.632.6%
of people have sleepwalked. Assume that in a random sample
of
15011501
adults,
532532
have sleepwalked.a. Assuming that the rate
of
32.632.6%
is correct, find the probability that
532532
or more of the
15011501
adults have sleepwalked.b. Is that result
of
532532
or more significantly high?c. What does the
result suggest about the rate of
32.632.6%?
a. Assuming that the rate of
32.632.6%
is correct, the probability that
532532
or more of the
15011501
adults have sleepwalked...
ADVERTISEMENT
ADVERTISEMENT
Latest Questions
- Singh Development Co. is deciding whether to proceed with Project X. The cost would be $12...
- CS2123 Data Structures - Fall 2019 Assignment 1: Function Runtimes Table Due 9/11/19 by 11:59pm Completing...
- Question 2. Design a 16-1 MUX using any number of lower MUXs, such as 8-1 or...
- . Write a function that takes, as arguments, two objects, value1 and value2. If
- Wii Brothers, a game manufacturer, has a new idea for an adventure game. It can market...
- Consider the distillation of ethanol (C2H5OH) and the combustion of ethanol . Use a bullet point...
- 1.How does Economic exposure to exchange rate movements affect the capital budgeting of a firm? Provide...
ADVERTISEMENT