Mathematics, 21.11.2019 02:31 Wildstyle3000
4) we want a 99% confidence interval for the average amount of time (in minutes) spent commuting to work in a large city. the interval is to have a margin of error of no more than 3 minutes, and the amount of time spent commuting has a normal distribution with a standard deviation = 18 minutes. what numbers of observations are required?
Answers: 3
Mathematics, 21.06.2019 20:30
On a cm grid, point p has coordinates (3,-1) and point q has coordinates (-5,6) calculate the shortest distance between p and q give your answer to 1 decimal place
Answers: 2
Mathematics, 21.06.2019 23:30
In order for the function to be linear, what must m be and why? m = 22 because the rate of change is 1. m = 20 because the rate of change is 3. m = 22 because the rate of change is -1. m = 20 because the rate of change is -3.
Answers: 2
Mathematics, 22.06.2019 00:30
The graph of f(x) is obtained by reflecting the graph of f(x)=-3|x| over the x-axis. which equation describes f(x)? a) f(x)=3|x| b) f(x)=|x+3| c) f(x)=-3|x| d) f(x) = - |x+3|
Answers: 1
4) we want a 99% confidence interval for the average amount of time (in minutes) spent commuting to...
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