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Binomial expansion and related questions (in Hindi)
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Binomial expansion and related questions

Manisha Malhotra
Msc in microbiology with gold medal, qualified GATE and Uttarakhand-set. Admin of the you tube channel Manisha Malhotra tutorials.

U
Unacademy user
Sir plzzz French revolution explain kr dijiy
last ans. will be 0.29
  1. Binomial expansion Probability of an unordered combination of events are calculated with the help of binomial expansion. probability of unordered number of events n total number of events x-number of events in one category p-individual probability ofx q-individual probability of second category ! represents factorial P-


  2. Example- if the cross is between two heterozygous purple flowers are taken Calculate the probability that the 4 out of 6 plants will be purple n! Rr 6*5*4*3*2*1 4*3*21 (2*1) Rr 1215 4096 0.29 or 30%


  3. Que- If two parents are heterozygous for a recessive trait, have six children. What is the probability that:- 1. First 4 children will be normal and last 2 Will be diseased 2. 4 children will be normal and 2 will be diseased


  4. First 4 children will be normal and last 2 will be diseased n! p'qn-x R RR Rr P (3 /4)4(1 / 4)2 Rr P81 4096