The probability that at least 5 of them use their smartphones in meetings or classes will be 0.34.
<h3>What is probability?</h3>
Probability is defined as the ratio of the number of favourable outcomes to the total number of outcomes in other words the probability is the number that shows the happening of the event.
The number of combinations of 5 out of 10:

The Success factor is:
57% = 0.57
The failure factor is:
(100 - 57)%= 43%= 0.43
So the Probability will be :
0.57⁵ x 0.43⁵ x 252 ≈ 0.34
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Answer:
Suspense
Explanation:
Im not sure i will come back and mark it wrong if its incorrect
Answer:
uh well you see wut is this bro
Explanation:
guess
Answer: The Sun and the planets formed together, 4.6 billion years ago, from a cloud of gas and dust called the solar nebula. A shock wave from a nearby supernova explosion probably initiated the collapse of the solar nebula. The Sun formed in the center, and the planets formed in a thin disk orbiting around it.
Explanation: how were the planets in the solar system formed?