A coin was flipped 150 times. The results of the experiment are shown in the following table:
2 answers:
<h2>Answer:</h2>
The statement that best describes the experimental probability of getting heads is:
It is 10% higher than the theoretical probability.
<h2>Step-by-step explanation:</h2>We know that the theoretical probability of getting head is: 0.5
and the theoretical probability of getting tail is: 0.5
Also, the results of experiments are:
Heads Tails
90 60
This means that the experimental probability of getting head is: 90/150=3/5=0.6
and the experimental probability of getting tail is: 60/150=2/5=0.4
Hence, the experimental and theoretical probability of getting head is not same or equal.
Also, the experimental probability of getting head is more than the theoretical probability of getting head and the percent increase is calculated as:
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The vector ab has a magnitude of 20 units and is parallel to the
vector 4i + 3j. Hence, The vector AB is 16i + 12j.
<h3>How to find the vector?</h3>If we have given a vector v of initial point A and terminal point B
v = ai + bj
then the components form as;
AB = xi + yj
Here, xi and yj are the components of the vector.
Given;
The vector ab has a magnitude of 20 units and is parallel to the
vector 4i + 3j.
magnitude
Unit vector in direction of resultant = (4i + 3j) / 5
Vector of magnitude 20 unit in direction of the resultant
= 20 x (4i + 3j) / 5
= 4 x (4i + 3j)
= 16i + 12j
Hence, The vector AB is 16i + 12j.
Learn more about vectors;
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