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1 answer:
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Answer:
Concept: Area
- We are given area hence 78.5 square meters
- We want the radius so we isolate
- Isolate for r to get r= 4.99 or 5 square units approximately
Answer:
B. 6.3%
Step-by-step explanation:
For each time that the coin is tosse, there are only two possible outcomes. Either it comes up tails, or it does not. The probability of coming up tails on a toss is independent of any other toss. So we use the binomial probability distribution to solve this question.
Binomial probability distribution
The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.
In which is the number of different combinations of x objects from a set of n elements, given by the following formula.
And p is the probability of X happening.
Fair coin:
Equally as likely to come up heads or tails, so
Probability that the first tails comes up on the 4th flip of the coin?
0 tails during the first three, which is P(X = 0) when n = 3.
Tails in the fourth, with probability 0.5. So
0.0625 * 100 = 6.25%
Rounding to the nearest tenth of a percent, the correct answer is:
B. 6.3%
Answer:
True
Step-by-step explanation:
Let B={} a set of vectors containing the zero vector.
B is linear dependent if exist scalars not all zero such that
.
Observe that if and
then
.
Then B is linear dependent.