Answer:
1877 computer users
Step-by-step explanation:
We have that for 95% of confident, the value of z has a value of 1.96 (attached table about it), they also mention the margin of error (E) that is 10 and finally the standard deviation (sd) that has a value of 221.
We apply the following formula:
n = [z * sd / E] ^ 2
replacing:
n = [1.96 * 221/10] ^ 2
n = 1876.27
that is, the minimum sample size is 1877
The slope is 9/1 hope i helped
Answer:
no solution
Step-by-step explanation:
Any of the "-slope" or "slope-" formulas for a line cannot be used when the slope is undefined.
The equation of the desired line is x = -2. It cannot be put into the form y = ....
Answer:
it is A
For each participant, the nutritionist should flip a coin. If the coin lands on heads, the participant will be assigned to exercise during the first month and drink energy drinks during the second month. If the coin lands on tails, the participant will be assigned to drink energy drinks during the first month and exercise during the second month.
Step-by-step explanation:
i just finished the test
