GuelphHumberStudent
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- Joined
- Feb 25, 2014
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The average price of cell phones manufactured by Ahmadi, Inc. is $98 with a standard deviation of $12.Furthermore, it is known that the prices of the cell phones manufactured by Ahmadi are normallydistributed.
1. What percentage of cell phones produced by Ahmadi, Inc. will have prices of at least $120.20?Cell phones with prices of at least 81.80 will get a free gift.
2. What percentage of the cellphones will be eligible for the free gift?
3. What are the minimum and the maximum values of the middle 95% of cell phone prices?
4. If 7,218 of the Ahmadi cell phones were priced at least $119.00, how many cell phones wereproduced by Ahmadi, Inc.?
does this have to do with using the Z-Score to solve? I'm really not sure ,I wouldn't say for you to do all the problems but could you explain the method in which they are to solved to me?
thank you,
1. What percentage of cell phones produced by Ahmadi, Inc. will have prices of at least $120.20?Cell phones with prices of at least 81.80 will get a free gift.
2. What percentage of the cellphones will be eligible for the free gift?
3. What are the minimum and the maximum values of the middle 95% of cell phone prices?
4. If 7,218 of the Ahmadi cell phones were priced at least $119.00, how many cell phones wereproduced by Ahmadi, Inc.?
does this have to do with using the Z-Score to solve? I'm really not sure ,I wouldn't say for you to do all the problems but could you explain the method in which they are to solved to me?
thank you,