A numbered wheel is divided into eight sectors of equal size, as shown. The wheel is spun
Question:
A numbered wheel is divided into eight sectors of equal size, as shown. The wheel is spun until it stops with the arrow pointing at one of the numbers. Axel decides to spin the wheel 400 times.
a. Find the number of times the arrow is not expected to point at a 4.
b. How many more times must Axel spin the wheel so that the expected number of times that the arrow points at a 4 is at least 160?
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a Since there is only one 4 out of 8 sectors the probability tha...View the full answer
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Related Book For 
Cambridge International AS & A Level Mathematics Probability & Statistics 1 Coursebook
ISBN: 9781108407304
1st Edition
Authors: Dean Chalmers, Julian Gilbey
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