Q1. Big-W is looking to develop a model to stock

Q1. Big-W is looking to develop a model to stock accessories for the Nintendo Switch. A survey has suggested that 27% of Switch owners purchase a Nintendo-brand microSD card.Suppose Big-W has 8 Switch customers.What is the probability that Big-W makes one sale of a Nintendo-branded microSD card? Express your answer in a number between 0 and 1 with four digits of precision. (ie. 25.01% as 0.2501).Q2. Find the probability that Big-W makes more than 6 sales of accessories. Express your answer in a number between 0 and 1 with four digits of precision. (ie. 25.01% as 0.2501).Q3. What is the likelihood that Big-W makes no accessory sales? Express your answer in a number between 0 and 1 with four digits of precision. (ie. 25.01% as 0.2501)Q4. What is the expected value for the number of accessory sales? Express your answer to two decimal places.Q5. What is the standard deviation for the number of accessory sales? Express your answer to two decimal places.


 

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