Assume lens A with focal length =0.33m is combined with lens B with focal length =0.25 m.1-What is the dioptric strength for each lens
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Toss 3 coins together 50 times.record the appearance of heads and tails on each coin separately.
find the probability of -
1) getting two heads.
2) getting no head .
3) getting only one head
please reply me fast
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