During the Movement Control Order (MCO) in Malaysia, the price of a face mask had been controlled and is approximated by a normal distribution model with an average price of RM 1.50 and standard deviation of RM 0.50. If a face mask is chosen at random, determine the probability that the face mask price is: i. less than RM 1 ii. more than RM 2 iii. between RM 1.20 to RM 1.80 iv. at least RM 2.50 V. at most RM 1.90 b.

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During the Movement Control Order (MCO) in Malaysia, the price of a face mask
had been controlled and is approximated by a normal distribution model with an
average price of RM 1.50 and standard deviation of RM 0.50. If a face mask is
chosen at random, determine the probability that the face mask price is:
i.
less than RM 1
ii.
more than RM 2
iii.
between RM 1.20 to RM 1.80
iv.
at least RM 2.50
V.
at most RM 1.90
b.
Transcribed Image Text:During the Movement Control Order (MCO) in Malaysia, the price of a face mask had been controlled and is approximated by a normal distribution model with an average price of RM 1.50 and standard deviation of RM 0.50. If a face mask is chosen at random, determine the probability that the face mask price is: i. less than RM 1 ii. more than RM 2 iii. between RM 1.20 to RM 1.80 iv. at least RM 2.50 V. at most RM 1.90 b.
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