Answer:
hmm just do your best and I'm sure your ace it :D
Answer: 
Step-by-step explanation:
Given
Probability that a coin will land head is
i.e. probability of success is
So, the probability of failure is 
Using Binomial distribution for 
(a) Probability that the coin will lead heads exactly 3 times

(b)Probability that the coin lands head at least once

Answer:
UQ = 185
Step-by-step explanation:
the median separates the data set into the lower quartile and upper quartile
The median of this data set is 151
The lower quartile is the median of the lowest five values, or 132
The upper quartile is the median of the highest five values, or 185
1/2, 8/16, and a lot others.
The answer is “B” because if you do the work correctly that will be your outcome