Mathematics, 21.09.2021 01:20 kingtaco321
11. The table shows the distribution of the number of hours per day spent in studying by 50 students. Number of hours per day 4 5 6 7 8 9 10 11 Number of students 5 7 5 9 12 4. 3 5 Calculate, correct to two decimal places, the: (a) mean; (6) standard deviation.
Answers: 2
Mathematics, 21.06.2019 13:00, jlluminate91671
Sal is tiling his entryway. the floor plan is drawn on a unit grid. each unit length represents 1 foot. tile costs $1.35 per square foot. how much will sal pay to tile his entryway? round your answer to the nearest cent.
Answers: 2
Mathematics, 21.06.2019 19:30, auviannadority13
Equation for the calculation double 2 and then add 5
Answers: 1
Mathematics, 21.06.2019 21:40, salinasroel22
In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.
Answers: 3
11. The table shows the distribution of the number of hours per day spent in studying by 50 students...
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