A fertilizer manufacturing company buys certain raw materials by weight. EAch batch of raw materials purchaes is weighed and the weigh is recorded to the nearest pound. It is assumed that the round-off- error is uniformly distributed in the interval from -0.7 to +0.7

1. Calculate the mean
2.Calculate the standard deviation
3.Draw the uniform graph

5 answers

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2.01
a fertilizer manufacturer buts a certain raw material by weight. Each batch of raw material purchased is weighed and the weight is recorded to the nearest pound. It is assumed that the round off error is uniformly distributed in the interval from -0.5 to 0.5. We wish to know the mean round off error and know the standard deviation of the round off error?
0.9
0.23
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