average= 1.0735 standard dev= .124 standard error=.027733 a)you expect that if t

Question

average= 1.0735
standard dev= .124
standard error=.027733


a)you expect that if this experiment were repeated many times,68.2% of the time the sample mean in pp, would lie between ____ and_____.
b)95.5% of the time the sample mean would like between ____ and_____
c)and 99.7% of the time the sample mea would lie between ____ and_____. these concentration ranges are the confidences intervalscorresponding to ±1,2, and 3 standard erros. proveideansewrs acurate to 2 decimal places
d)based on the 95.5% confidence interval, is austin water safe?
e)based on the 99.7% confidence interval, is austin water safe?


if you only know one of the answer thats fine...
please help thanks

Explanation / Answer

For (a) all you need to do is take the "average", subtract thestandard error and then take the sample mean and add the standarderror. For (b) using the "average" subtract twice the standard error andthen add twice the standard error For (c)...you guessed it.....subtract three times the standarderror and then add three times the standard error (d) and (e) cannot be answered since you did not give us Austin'swater rating.

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