natlliyg42261 natlliyg42261
  • 21-03-2024
  • Mathematics
contestada

TRY 9.15 Length of Cell Phone Calls (Example 3) One histogram
below shows the distribution of the length of cell phone calls for
one of the authors in one month, and the other shows many sample
means,
a) z = 1.57
b) z = 2.63
c) z = 3.16
d) z = 4.21

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