Question

class 9th


answer plz​

Answer 1

Answer:

No tail=70/200

= 35/100

=0.35

One tail=210/200

= 105/100

= It is not correct because frequency is not correct

Two tail=135/200

=  27/40

= 0.67

Three tail=85/200

= 17/40

=0.43

Mark me as brainliest

Answer 2

Answer:

Total number of chances = 23 + 72 + 77 + 28 = 200

Number of chances of coming 2 heads = 72

therefore P( coming 2 heads)= 514 / 642 = 9 / 25