Basically, we need to plug in the given values for the variables 
and 
into the given expression 
. First off, we can plug in all the given values into the expression, giving us 
. Now, perform the operations on the inside of the parentheses. Doing this, we get 
. Now, we use the distributive property to simplify. This gives us 
. Finally, when we add the two numbers, we get 
. Hope this helped!
Please help!! Picture included!
1 answer:
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To solve this problem you have to find out what the value of +/- Z is that encloses 95% of the area under the normal distribution curve. For this you can use this formula: Please see the attached image.
Find the upper and lower limits of x, corresponding to +Z and -Z respective.
<span>I hope this helps, Regards.</span>
Find the upper and lower limits of x, corresponding to +Z and -Z respective.
<span>I hope this helps, Regards.</span>