Question

please anyone tell me it's too much urgent and tell the explanation too plss​

Answer 1

Answer:

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Answer 2

Answer:

$(1)since \: only \: 2 \: classes \: had \: survival \: of \: more \: than \: \\ 40 \: plants \: which \: are \: planted \: by \: them \: then \: probability \: is \\ = \frac{2}{5} \\ \\ (2) \: for \: this \: the \: probability \: = \frac{1}{5}$