What is 5/6 plus 7/8?
2 answers:
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Answer:
95% confidence interval for the proportion of days that IBM stock increases.
(0.45814 , 0.58146)
Step-by-step explanation:
<u><em>Step:1</em></u>
Given that a stock market analyst notices that in a certain year, the price of IBM stock increased on 131 out of 252 trading days.
Given that the sample proportion
Level of significance = 0.05
Z₀.₀₅ = 1.96
<u><em>Step:2</em></u>
<u><em>95% confidence interval for the proportion of days that IBM stock increases.</em></u>
<u><em></em></u><u><em></em></u>
(0.5198 - 0.06166 , 0.5198+0.06166)
(0.45814 , 0.58146)
<u><em>Final answer:-</em></u>
95% confidence interval for the proportion of days that IBM stock increases.
(0.45814 , 0.58146)
The limit does not exist. There are infinitely many infinite discontinuities at , where
. The function oscillates wildly between negative and positive infinity.