A bakery shops sells an average of 105 cakes per week (i) Find the probability that on a given day this bakery will sell 5 to 9 cakes. (ii) Recalculate the probabilities in Q2(a)(i) by using normal approximation.

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Counting And Probability
Section9.3: Binomial Probability
Problem 2E: If a binomial experiment has probability p success, then the probability of failure is...
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Q2.
(a)
A bakery shops sells an average of 105 cakes
per
week
(i)
Find the probability that on a given day this bakery will sell 5 to 9 cakes.
(ii)
Recalculate the probabilities in Q2(a)(i) by using normal approximation.
(b)
The probability of a customer ordering the colour of a new Myvi car in blue is
0.55. Find the probability that in next 20 random orders there will be at least 8
orders in blue.
Transcribed Image Text:Q2. (a) A bakery shops sells an average of 105 cakes per week (i) Find the probability that on a given day this bakery will sell 5 to 9 cakes. (ii) Recalculate the probabilities in Q2(a)(i) by using normal approximation. (b) The probability of a customer ordering the colour of a new Myvi car in blue is 0.55. Find the probability that in next 20 random orders there will be at least 8 orders in blue.
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