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The daily sales at a convenience store produce a distribution that is approximately normal with a mean of 1220 and a standard deviation of 124. In your intermediate calculations, round zvalues to two decimal places.
The probability that the sales on a given day at this store are more than $1405, rounded to four decimal places, is: .
The probability that the sales on a given day at this store are less than $1305, rounded to four decimal places, is: .
The probability that the sales on a given day at this store are between $1200 and $1300, rounded to four decimal places, is: .
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*** ***** sales ** * *********** store ******* * distribution **** ** approximately ****** with * **** ** 1220 and * ******** ********* ** ***** **** intermediate ************ roundzvalues to two ******* ********* *********** that the ***** ** * ***** *** ** this store *** more ********* ******* ** four ******* ****** *************** * ** *** ≤1405)Calculating ******* * (1405 *** 1220)/124 * ******** *********** ********** ** this ** **** * ****** ************ table ***** ******** * ***************** =109319 = ******** *********** **** *** ***** ** * given day ** **** ***** are **** ********* ******* ** **** decimal ****** ************** *** a lower tail of *********** * *************** ********** * standard ****** *********** table ***** *********** to * *********** ******** *********** of less **** **** ** 07517 The *********** **** the ***** ** a ***** *** ** this store *** ************ ******** rounded ** four ******* ****** is:z(1200) = ***** *** ********* = 20/124 * ********** *********** to a probability ************ * ***** *** ********* * ****** * 06568 *************** x<1300) ******  ***** * ***** *************
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*** tha ********** for **** ******