Aprevious analysis of paper boxes showed that the the standard deviation of their lengths is 9 millimeters. a packer wishes to find the 98% confidence interval for the average length of a box. how many boxes does he need to measure to be accurate within 3 millimeters?

d) 30 units^2

area of rectangle = l × b

we know,

length = 10 unit

breadth = 3 unit

applying the formula,

= l × b

= 10 × 3

= 30 unit^2

happy to

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a thesis statement is not a fact or a question

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a thesis statement is a topic it is not a fact or a question