Q1 Q1 - Mean Work out the mean of each set of numbers.
0
8
11, 8, 16, 11, 21
Maths

Mean of given set of number μ = 10.7

Step-by-step explanation:

Explanation:-

Given that the set of numbers

             0,8,11,8,16,11,21

Mean  = ∑x / n

Mean of given set of number μ = 10.7

a) one student is chosen from classroom a, then a student is chosen from classroom b.  

step-by-step explanation:

independent events are ones in which the probability of one event does not affect the probability of the second event.

one student is chosen from classroom a; this does not affect the chances of choosing a student from classroom b.   this makes these independent events.

when one card is chosen from a standard deck and then set aside before a second card is chosen, the probability of the second card being chosen changes.   this makes them dependent events.

when one student is chosen from classroom a and then a second student is chosen from classroom a, the probability of choosing the second student changes.   this makes them dependent events.

when a letter is chosen from the alphabet and then a second letter is chosen, the probability of choosing the second letter changes.   this makes them dependent events.

32/80  

91/140

the last one 54 doesn't go into 45. 54/100 ?

step-by-step explanation: