Answer:
0.0000
Unusual
Step-by-step explanation:
Given that a tobacco company claims that the amount of nicotine in its cigarettes is a random variable with mean 2.2 mg and standard deviation .3 mg.
i.e. population parameters are
The approximate probability that the sample meanwould have been as high or higher than 3.1
=0.0000
Answer:
Yes, Renaldo will be reach on time for his Soccer practice.
Step-by-step explanation:
For traveling for 3.2 miles bus takes 30 minute times.
So, traveling a 1-mile bus will take 30 ÷ 3.2 minutes.
Now, Renaldo reaches the dentist's office at 4:30 p.m.
Then he has an appointment for 1 hour
So, Renaldo leaves the dentist's office at 5:30 p.m.
Now he has to travel 4.8 miles, it will take time =
So, Renaldo will reach Soccer field at
5 hours 30 minute + 45 minutes = 6 hours 15 minutes = 6:15 p.m
Hence, Renaldo will reach Soccer field before 6:30 p.m.