Question

don't give useless answer...​

Answer 1

Answer:

0.2452474918

$1 - ( {9}^{7} \times 1578 \div {10}^{10})$

Step-by-step explanation:

P(r)=0.9

P (at most 6 right handed person) = p(X≤6) =1−P(X≥6) =1−[p(X=7)+p(X=8)+p(X=9)+p(X=10)]