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In a certain survey, 515 people chose to respond to this question: "Should passwords be replaced with biometric security
(fingerprints, etc)?" Among the respondents, 51% said "yes" We want to test the claim that more than half of the population believes
that passwords should be replaced with biometric security. Complete parts (a) through (d) below.
a. Are any of the three requirements violated? Can a test about a population proportion using the normal approximation method be
used?
O A. One of the conditions for a binomial distribution are not satisfied, so a test about a population proportion using the normal
approximating method cannot be used.
OB. All of the conditions for testing a claim about a population proportion using the normal apumpximation method are satisfied,
so the method can be used.
O C. The conditions np 25 and nq 25 are not satisfied, so a test about a population proportion using the normal approximation
method cannot be used.
OD. The sample observations are not a random sample, so a test about a population proportion using the normal approximating
method cannot be used
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Mathematics, 21.06.2019 15:00
Martha needs 22.25 strawberries for every 5 smoothies she makes. complete the table to see how many strawberries she would need to make 10 smoothies and 20 smoothies.
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Mathematics, 21.06.2019 17:20
Aboat costs 19200 and decreases in value by 12% per year. how much will it cost in 5 years
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Mathematics, 21.06.2019 20:00
Fred has a spinner that is split into four equal sections: red, blue, green, and yellow. fred spun the spinner 688 times. which of the following would be a good estimate of the number of times the spinner lands on the green section? a. 269 b. 603 c. 344 d. 189
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