Ryo accidentaly ordered 240%
1 answer:
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Answer:
(i) Five number summary: Minimum value = 1, ,
,
, Maximum value = 26.
(ii) IQR = 2.5, upper fence = 24.25 and lower fence = 14.25.
(iii) 26 is an outlier of the data.
Step-by-step explanation:
The given data set is
19, 18, 23, 18, 18, 26, 19, 16, 20, 18, 17, 21
Arrange the data set in ascending order.
16, 17, 18, 18, 18, 18, 19, 19, 20, 21, 23, 26
Divide the data set in 4 equal parts.
(16, 17, 18), (18, 18, 18), (19, 19, 20), (21, 23, 26)
Minimum value = 16
Maximum value = 26
The inter quartile range (IQR) of the data is
Upper fence :
Lower fence :
If the any element of the data set lies out side the upper fence and lower fence, then it is called an outlier.
26 ∉ [14.25, 24.25]
Therefore, 26 is an outlier of the data.
Answer:
Probability that the first vehicle selected is a motorcycle and the second vehicle is a van is (24/187) or 0.1283.
Step-by-step explanation:
We are given that an automobile manufacturing plant produced 34 vehicles today: 16 were motorcycles, 9 were trucks, and 9 were vans.
Plant managers are going to select two of these vehicles for a thorough inspection. The first vehicle will be selected at random, and then the second vehicle will be selected at random from the remaining vehicles.
As we know that, <u>Probability of any event</u> =
<u>Now, Probability that the first vehicle selected is a motorcycle is given by;</u>
=
Here, Number of motorcycles = 16
Total number of vehicles = 16 + 9 + 9 = 34
So, <em>Probability that the first vehicle selected is a motorcycle</em> =
<u>Similarly, Probability that the second vehicle is a van is given by;</u>
=
Here, Number of vans = 9
And Total number of remaining vehicles after selecting one motorcycle = 34 - 1 = 33
So,<em> Probability that the second vehicle selected is a van</em> =
Therefore, the probability that the first vehicle selected is a motorcycle and the second vehicle is a van =
= = <u>0.1283</u>