Question: I want an explanation for this example : A poll asked adults about their view on people's environmental awareness after the global strike. 19% of

I want an explanation for this example :

A poll asked adults about their view on people's environmental awareness after the global strike. 19% of the people who responded said, their view has improved since then. What is the probability that a group of 34 people will contain:

a) Exactly 2 people whose view has improved.

b) More than 2 people whose view has improved.

Note: Round answers to two decimals, if necessary. Express your answers in percent, enter % symbol.

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