Mathematics, 21.04.2020 19:39 sainijasdeep27
An accounting firm is planning for the next tax preparation season. From last years returns, the firm collects a systematic random sampling of 100 filings. These 100 filings showed an average preparation time of 90 minutes with a standard deviation of 140 minutes.
A) What is the standard error of the mean?
B) What is the probability that the mean completion time will be more than 120 minutes?
Answers: 1
Mathematics, 21.06.2019 15:50
Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a seven or king. (b) compute the probability of randomly selecting a seven or king or jack. (c) compute the probability of randomly selecting a queen or spade.
Answers: 2
Mathematics, 21.06.2019 19:30
Factor the following expression. 27y3 – 343 a. (3y + 7)(9y2 + 2ly + 49) b. (3y – 7)(9y2 + 2ly + 49) c. (3y – 7)(932 – 217 + 49) d. (3y + 7)(92 – 2ly + 49)
Answers: 1
Mathematics, 21.06.2019 21:00
Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?
Answers: 1
An accounting firm is planning for the next tax preparation season. From last years returns, the fir...
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