Table 8.84 Frequency table Marks No. of Candidates
9
5
15
11
25
1។
IS
35
45
23
19
55
65
13
15.
10
85
95
11 .
4
a Determine the median mark for the distribution.
b Calculate the mean to the nearest whole number.
e state the mode of the distribution
d A candidate is selected at random. Calculate the person
probability that his marks are: (1) less than or equal to our
(ii) at least 15

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry

70 points ! pls 2. given the following two sets of data what is the union of the two sets and what is the intersection of the two sets. set a = {1, 2, 3, 4, 5, 6, 7, 8, 9} set b = {2, 4, 6, 8, 10, 12, 14} 3. given a regular deck of cards. describe a way of pulling cards that would create a dependent event and then one that would create an independent event. 4. what is the probability of drawing a red card and then drawing a spade without replacing the card that was drawn first?

Ellie spent $88.79 at the computer stote. she had $44.50 left to buy a cool hat. how much money did she originally have? write and solve an equation to answer the question.