It has been claimed that if you drop a standard thumbtack from a height of 3 feet or more onto a fla

It has been claimed that if you drop a standard thumbtack from a height of 3 feet or more onto a flat hard surface the proportion of times that it will come to rest with the point up is 0.6. Your mission is to investigate this claim. You will be provided a standard thumbtack. First you should determine how many times you will need to drop that thumbtack in order to construct a 90% confidence interval estimating the true proportion of times a tack will land point up under the specified conditions with an error of .05

So I was wondering is to find how many times I need to drop the tack do I use .25 for P hat or do I use .6 as p hat?

 

 

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