Answer:
80
Step-by-step explanation:
mean = 140+20=160
160/2
= 80
Answer:
27.96
Step-by-step explanation:
Answer:
A) 0.303
The probability that a randomly selected student from the class has brown eyes , given they are male

Step-by-step explanation:
<u>Explanation</u>:-
Given data
Brown Blue Hazel Green
Females 13 4 6 9
Males 10 2 9 12
<em>Let 'B' be the event of brown eyes </em>
<em>Total number of males n(M) = 33</em>
Let B/M be the event of randomly selected student from the class has brown eyes given they are male
<em>The probability that a randomly selected student from the class has brown eyes , given they are male</em>
<em></em>
<em></em>
<em>From table the brown eyes from males = 10</em>


<u>Final answer</u>:-
The probability that a randomly selected student from the class has brown eyes , given they are male

The value of 9 is 90 because it is in the tens place.
Answer:
15 or below
Step-by-step explanation:
10+10+8+8 = 36
51-36 = 15
Less than or equal to = 15 or below