The prices of a certain food item are normally distributed with a mean of $150 and a standard deviation of $12. (round y

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The prices of a certain food item are normally distributed with a mean of $150 and a standard deviation of $12. (round y

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The Prices Of A Certain Food Item Are Normally Distributed With A Mean Of 150 And A Standard Deviation Of 12 Round Y 1
The Prices Of A Certain Food Item Are Normally Distributed With A Mean Of 150 And A Standard Deviation Of 12 Round Y 1 (12.62 KiB) Viewed 10 times
The prices of a certain food item are normally distributed with a mean of $150 and a standard deviation of $12. (round your final answers to 4 decimals) i. What is the probability that the price would vary between $120 and $130? (6 marks) ii. You randomly pick samples of size 25. What is the probability that the average price exceeds 145? (6 marks)
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