JUst please help me people constantly scamming me

1. 1

2. 3

3. 1/4∻5=1/4*1/5=1/20

4. 3/4∻5=3/4*1/5=3/20

5. 1/5∻4=1/5*1/4=1/20

Step-by-step explanation:

Hope this helps

1) 3

2) 1/16

3) 1/20 in decimal 0.05

4) 3/20 in decimal 0.15

5) 1/20 in decimal 0.05

Step-by-step explanation:

pls mark as brainily

z= 1.70 Since the test statistic is less than the critical​ value, we can conclude that the average length of an online video is not more than 8 minutes