Mathematics, 22.02.2022 09:20 davidoj13
A survey of 2294 adults in a certain large country aged 18 and older conducted by a reputablo
polling organization found that 417 have donated blood in the past two years Complete parts (a)
through (c) below
(a) Obtain a point estimate for the population proportion of adults in the country aged 18 and older
who have donated blood in the past two years.
p=
=
(Round to three decimal places as needed.)
(b) Verify that the requirements for constructing a confidence interval about p are satisfied.
2)
The sample
a simple random sample, the value of
is
which is
10, and the
aj
less than or equal to 5% of the
(Round to three decimal places as needed.)
za (c) Construct and interpret a 90% confidence interval for the population progonion of adults in the
country who have donated blood in the past two years. Select the correct choice below and fill in
any answer bores within your choice.
Type innegers or decimals rounded to three decimal places as needed. Use ascending order)
A. There is a __% chance the proportion of adults in the country aged 18 and older who
have donated blood in the past two years is between __and ___
B. We are ___% confident the proportion of adults in the country aged 18 and older who
have donated blood in the past two years is between ___and___
Answers: 3
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Which statement best describes a square? a. a special rectangle that has four right angles b. a special trapezoid that has four sides of equal length c. a special rectangle that has four sides of equal length d. a special trapezoid that has four right angles
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Mathematics, 21.06.2019 17:00, yannabby26
The accompanying table shows the numbers of male and female students in a particular country who received bachelor's degrees in business in a recent year. complete parts (a) and (b) below. business degrees nonbusiness degrees total male 189131 634650 823781 female 169539 885329 1054868 total 358670 1519979 1878649 (a) find the probability that a randomly selected student is male, given that the student received a business degree. the probability that a randomly selected student is male, given that the student received a business degree, is nothing. (round to three decimal places as needed.) (b) find the probability that a randomly selected student received a business degree, given that the student is female. the probability that a randomly selected student received a business degree, given that the student is female, is nothing. (round to three decimal places as needed.)
Answers: 2
A survey of 2294 adults in a certain large country aged 18 and older conducted by a reputablo
poll...
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