Answer: a. 2.8
Explanation:
Given : Population mean : 
Sample size : n= 49> 30 , the sample is a large sample we use z-test.
Sample mean = 
Standard deviation : 
The test statistic for population mean is given by :-

Hence, the value of the test statistic is 2.8
Answer:
Reminder.
Explanation:
Reminder advertising is basically the key to retain customer by briefly messages them to remind them about a new product or anything.
I agree that the y is connected to fry nye the answer would have to be so be it through the needs
A decrease in aggregate demand causes the price level to fall. If the government takes no action to
counter this, then the actual price level will be below the price level that people expected.
Individuals will eventually correct their expectations of the price level. As they do so, prices and
wages will adjust accordingly, shifting the aggregate supply curve to the right (down). For example
if wages are sticky, in light of the lower price level, firms and workers will eventually make bargains
for lower nominal wages. The reduction in wages lowers costs of production, so firms are willing to