By using the trial method we get a total number of trials taken by Charlie to see both sides of both the coins is 4.
<h3>What is probability?</h3>
Probability is the name of the area of mathematics that deals with the examination of random events. The ratio of favorable occurrences to the total number of events is used to calculate an event's probability.
P(E) = F(E)/T (E)P(E)
It stands for the probability that an event will occur.
F(E) = Amount of favorable occurrences
Total number of trials (T(E))
Given that Charlie has 2 fair coins.
If he tosses the pair of coins simultaneously, then the number of samples can be HH, HT, TH, TT.
So to see both sides of both the coins he should toss the coin four times.
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Answer: 109m^2
Step-by-step explanation:
(5)(8.4)/2 = 21 m^2
(4 ) (21) = 84 m^2
Base = 5^2 = 25 m^2
84 + 25 = 109 m^2
Answer:
The shorter range.
Step-by-step explanation:
When you think about the confidence interval you automatically think about how wide it is, in relation to its range. A typical confidence interval is generally 95%, however when it increases, it also increases the 'confidence' of the data and therefore its range.
Logically, a level of confidence of 85% will be much narrower than one of 90%, 95% or 99%, this implies that the wide range will be narrower than that of others. So things the 85% confidence interval in a multiple selection response, compared to the other three intervals, will always be the shortest.
The answer is 
.
Since the right hand sides of the two equations are the same, the left hand sides must be the same as well.
In other words, is the expression 
equals -36 and so does the expression 
, then the two expression must equal each other, since they are two different ways of writing the same number. It's just like saying that 10+3 = 15-2, because they both represent the number 13.
So, we have
We can add 3x to both sides to simplify it. We're left with
Since we found the value for y, we can plug it in one of the two equations to deduce the value for x. For example, let's choose the first equation to get
