Convert 9200 ounces to grams
2 answers:
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Answer:
d. 120 words
Step-by-step explanation:
This question can be solved by a simple rule of three.
An average person can type 40 words per minute. How many words can they type in 3 minutes?
1 minute - 40 words
3 minutes - x words
So the correct answer is:
d. 120 words
Solution :
P(H) = 0.7 ; P(T) = 0.3
If heads, then Urn H, 1 blue and 4 red marbles.
If tails, then Urn T , 3 blue and 1 red marbles.
a).
P ( choosing a Red marble )
= P (H) x P( Red from Urn H) + P (T) x P( Red from Urn T)
= 0.56 + 0.075
= 0.635
b). If P (B, if coin showed heads)
If heads, then marble is picked from Urn H.
Therefore,
P (Blue)
= 0.2
c). P (Tails, if marble was red)
Where P (R/T) = P ( red, if coin showed tails)
= 0.25 (As Urn T is chosen)
P (R) = P (Red) = 0.635 (from part (a) )
P (T) = P (Tails) = 0.3
∴
= 0.118