Mathematics, 21.11.2019 06:31 val186
Suppose you are testing someone to see whether he or she can tell butter from margarine when it is spread on toast. you use many bite-sized pieces selected randomly, half from buttered toast and half from toast with margarine. the taster is blindfolded. the null hypothesis is that the taster is just guessing and should get about half right. when you reject the null hypothesis when it is actually true, that is often called the first kind of error. the second kind of error is when the null is false and you fail to reject. report the first kind of error and the second kind of error.
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Mathematics, 21.06.2019 18:00
Jose predicted that he would sell 48 umbrellas. he actually sold 72 umbrellas. what are the values of a and b in the table below? round to the nearest tenth if necessary
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Mathematics, 21.06.2019 19:30
If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).
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Mathematics, 21.06.2019 22:30
3. a sum of $2700 is to be given in the form of 63 prizes. if the prize is of either $100 or $25, find the number of prizes of each type.
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Suppose you are testing someone to see whether he or she can tell butter from margarine when it is s...
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