Mathematics, 19.05.2021 20:50, felicianorman97
Diane purchased a prepaid phone card for $15 Long distance calls cost 12 cents a minute using this card. Diane used her card only once to make a long distance call. If the remaining credit on her card is $13.20 how many minutes did her call last?
Answers: 3
Mathematics, 21.06.2019 19:40, love0000
Atextile fiber manufacturer is investigating a new drapery yarn, which the company claims has a mean thread elongation of 12 kilograms with a standard deviation of 0.5 kilograms. the company wishes to test the hypothesis upper h subscript 0 baseline colon mu equals 12 against upper h subscript 1 baseline colon mu less-than 12 using a random sample of n equals 4 specimens. calculate the p-value if the observed statistic is x overbar equals 11.8. round your final answer to five decimal places (e. g. 98.76543).
Answers: 3
Diane purchased a prepaid phone card for $15 Long distance calls cost 12 cents a minute using this c...
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