Mathematics, 14.11.2020 06:30 jech3947
The mean number of words per minute (WPM) typed by a speed typist is 149 with a standard deviation of
10 WPM
What is the probability that the sample mean would differ from the population mean by greater than 2.8
WPM if 60 speed typists are randomly selected? Round your answer to four decimal places.
Answers: 3
Mathematics, 21.06.2019 19:30
How are sas and sss used to show that two triangles are congruent?
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Mathematics, 21.06.2019 21:30
Aroulette wheel has 38 slots in which the ball can land. two of the slots are green, 18 are red, and 18 are black. the ball is equally likely to land in any slot. the roulette wheel is going to be spun twice, and the outcomes of the two spins are independent.the probability that it lands one time on red and another time on black in any order is(a) 0.5 (b) 0.25 (c) 0.4488 (d) 0.2244
Answers: 1
Mathematics, 21.06.2019 21:30
Jake bakes and sell apple pies. he sells each pie for $5.75 . the materials to make the pies cost $40. the boxes jake puts the pies in cost & 12.50 total. how many pies does jake need to sell to earn a profit of $50
Answers: 3
Mathematics, 21.06.2019 22:30
Ineed big ! the cost of a school banquet is $25 plus $15 for each person attending. create a table, sketch the graph, and write an equation in slope-intercept and point-slope form that gives total cost as a function of the number of people attending. what is the cost for 77 people?
Answers: 1
The mean number of words per minute (WPM) typed by a speed typist is 149 with a standard deviation o...
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