CL fi xi fixi X ( Xi –X ) ( Xi –X )2 fi( Xi –X )2 10 – 15 8 12.5 100 20.1 - 7.6 57.76 462.08

16 - 21 10 18.5 185 20.1 - 1.6 2.56 25.6

22 - 27 8 24.5 196 20.1 4.4 19.36 154.88

28 - 33 4 30.5 122 20.1 10.4 108.16 432.64

n = 30 ∑ =603 ∑ 1075.2

What is the Mean of this given grouped data ?
(Use up to one decimal place in writing your answer).

26

step-by-step explanation:

the k side

step-by-step explanation:

plese mark mde brainliest!

answer:   35 % is the probability of a late departure or an early arrival.

step-by-step explanation:

let l represents the late departure and e represents the early departure.

then, according to the question,

p(l) = 12 %,   p(e) = 27 % and = 4 %

and, we have to find out,

but, we know that,

which is the required equation that will use to find the probability of a late departure or an early departure.

therefore,   the probability of a late departure or an early arrival =   35 %