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A room contains 20 people. 4 are males and the others are female. A random sample of 7 people is drawn without replacem...
A room contains 22 people. 4 are males and the others are female. A random sample...
A room contains 22 people. 4 are males and the others are female. A random sample of 8 people is drawn without replacement. What is the probability there are fewer than 2 males in the sample? Round your answer to at least 3 decimal places.
A room contains 21 people. 5 are males and the others are female. A random sample...
A room contains 21 people. 5 are males and the others are female. A random sample of 7 people is drawn without replacement. What is the probability there are fewer than 2 males in the sample? Round your answer to at least 3 decimal places.
A coin purse contains 4 quarters and 5 dimes. Two coins are drawn at random without...
A coin purse contains 4 quarters and 5 dimes. Two coins are drawn at random without replacement. Find the probability that at least one of the two coins is a quarter. Please explain step by step
Refer to Example 4.40. An urn contains six red balls, six white balls, and six blue...
Refer to Example 4.40. An urn contains six red balls, six white balls, and six blue balls, and sample of four balls is drawn at random without replacement. Compute the probability that all of the balls in the sample are the same color. (Round your answer to four decimal places.) b) An urn contains eight red balls, eight white balls, and eight blue balls, and sample of five balls is drawn at random without replacement. Compute the probability that the...
In a random sample of 64 people it was found that 42 of them could name...
In a random sample of 64 people it was found that 42 of them could name all fifty states in the U.S. If two people from this sample are randomly chosen without replacement, what is the probability at least one of these two people can name all fifty states? Round your answer to 4 decimal places. (Hint: The complement of "at least one" is "none". Find the probability that neither of the two people chosen can name all fifty states...
53.An urn contains six red balls and five blue balls. Four balls are drawn at random,...
53.An urn contains six red balls and five blue balls. Four balls are drawn at random, without replacement. (a) What is the probability that all four balls are red? (Round your answer to four decimal places.) (b) What is the probability that two of the balls are red and two are blue? (Round your answer to four decimal places.)
A local county has an unemployment rate of 4.1%. A random sample of 20 employable people...
A local county has an unemployment rate of 4.1%. A random sample of 20 employable people are picked at random from the county and are asked if they are employed. Round answers to 4 decimal places. a) Find the probability that exactly 4 in the sample are unemployed. b) Find the probability that there are fewer than 4 in the sample are unemployed. c) Find the probability that there are more than 1 in the sample are unemployed. d) Find...
An urn contains 12 blue, 6 yellow, and 9 black balls. Two balls are drawn at...
An urn contains 12 blue, 6 yellow, and 9 black balls. Two balls are drawn at random. i. What is the probability that two black balls are drawn in succession when chosen without replacement? Give your answer correct to 3 decimal places. ii. What is the probability that two black balls are drawn in succession when chosen with replacement? Give your answer correct to 3 decimal places.
In a large university, 15% of the students are female. If a random sample of twenty...
In a large university, 15% of the students are female. If a random sample of twenty students is selected, a. what is the probability that the sample contains exactly four female students? b. what is the probability that the sample will contain no female students? c. what is the probability that the sample will contain exactly twenty female students? d. what is the probability that the sample will contain more than nine female students? e. what is the probability that...
A local county has an unemployment rate of 6.2%. A random sample of 19 employable people are pick...
A local county has an unemployment rate of 6.2%. A random sample
of 19 employable people are picked at random from the county and
are asked if they are employed. The distribution is a binomial.
Round answers to 4 decimal places.
a) Find the probability that exactly 2 in the sample are
unemployed.
b) Find the probability that there are fewer than 3 in the
sample are unemployed.
c) Find the probability that there are more than 4 in the...
A local county has an unemployment rate of 6.2%. A random sample
of 19 employable people are picked at random from the county and
are asked if they are employed. The distribution is a binomial.
Round answers to 4 decimal places.
a) Find the probability that exactly 2 in the sample are
unemployed.
b) Find the probability that there are fewer than 3 in the
sample are unemployed.
c) Find the probability that there are more than 4 in the...
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