John is 31 and Jenny is 26
Answer: 4.5 units
Step-by-step explanation:
Answer: R= 1
Explanation: no matter how you do it you still get 1 bc its x divided by y which is 1
Answer:
The margin of error for the 94% confidence interval is 0.6154.
Step-by-step explanation:
The (1 - <em>α</em>)% confidence interval for population mean is:

The margin of error of this interval is:

The critical value of <em>z</em> for 94% confidence level is, <em>z</em> = 1.88.
Compute the margin of error for the 94% confidence interval as follows:


Thus, the margin of error for the 94% confidence interval is 0.6154.