A problem with a 90% confidence interval, gave thefollowing answer: (1.645) x (0.36)(0.64) ˜ 0.022 1250 After inputting the 1.645 into the calculator and puting inthe times symbol, how d I input the square root portioninto the calculator to arrive at the answer shown? I have a regular calculator with a square root symbol on it. A problem with a 90% confidence interval, gave thefollowing answer: (1.645) x (0.36)(0.64) ˜ 0.022 1250 After inputting the 1.645 into the calculator and puting inthe times symbol, how d I input the square root portioninto the calculator to arrive at the answer shown? I have a regular calculator with a square root symbol on it. 1250 After inputting the 1.645 into the calculator and puting inthe times symbol, how d I input the square root portioninto the calculator to arrive at the answer shown? I have a regular calculator with a square root symbol on it.
Explanation / Answer
first multiply 0.36 and 0.64 using the calculator them in your regular calculator, press the square root symbol.you will get the square root of the the above product. now multiply 1.645 and divide the whole thing by 1250