Last Year A Grocery Store Had A Mean Of $1850 In Daily Sales With A Sample Standard Deviation

M = 2.45
0 = 0. 69
N = 32
X = 2.65
Ho:
M = 2.45
Hi: M gt; 2.45
level of signeficence: 020.05
Test statistic.
Z . =
* – M
2-65- 2-45
0 . 2
0 . 69
0. 12 2
W 32
Ze = 1. 6397
Critical Region.
gt;…Statistics and Probability