-1 and -1/-2
Is your answer to the reduced fraction
Answer:
13.2
Step-by-step explanation:
1 liter is equal to 0.264172
0.264172 * 50 = 13.2086
Rounded, that becomes 13.2
Where’s the figure at there’s only the questions
Answer:
(a) 20 ways
(b) 0.05 or 5%
Step-by-step explanation:
(a) Assuming that the order in which people are chosen does not matter, the number of ways to select 3 people out of possible 6 is given by the following combination.

(b) In a random sampling procedure, every outcome is just as likely to occur. Therefore, the chances that any particular sample will be the one selected are:

Answer:
since there are 30 students as a whole and 20 boys make up part of the class, you can assume that there are 10 girls in the class. since the mean mark for boys is 62 I think the mean mark for girls would be 8%
Step-by-step explanation: