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Maths, Addmaths and Statistics: Post your doubts here!

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In O level matrix transformation what is the invariant line for shear parallel to both
x axis.....
y axis....
shear parallel to x-axis, invariant line x-axis
shear parallel to y-axis, invariant line y-axis
 
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Can anyone help me with this Q
The probability that Janice does not score a goal in any particular game is 2/3.
a) Find the probability that in the first two games of the season
1)she does not score in either games
2)she scores in both games

b)The probability that Janice scores more than one goal in any particular games is 1/12.Find the probability that she scores exactly one goal in the last match of the session.
 
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Can anyone help me with this Q
The probability that Janice does not score a goal in any particular game is 2/3.
a) Find the probability that in the first two games of the season
1)she does not score in either games
2)she scores in both games

b)The probability that Janice scores more than one goal in any particular games is 1/12.Find the probability that she scores exactly one goal in the last match of the session.

(a)
(i) 2/3 * 2/3= 4/9
(ii) 1/3 * 1/3= 1/9

(b)
2/3 => she scores less than 1 goal
1/12 => she scores more than 1 goal
she scores 1 goal = 1-(2/3 + 1/12) = 1/4
 
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pl xplain last part b)
the probability that she scores 1 goal is the probability that she neither scores less than one, nor more than one, which cancels out all possibilities except that she scores one goal. to cancel out all other possibilities, we subtract all other possibilities from 1 (1 means that all events can occur).
 
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can anyone explain Maths 4024_w11_qp22 Q9?
 

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