Two cars are on the same straight road. Car A moves east at 55 mph and sounds its horn at 625 Hz. Rank from highest to lowest th
1 answer:
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Answer:
The number of flags captured by Danny was 12
The number of flags captured by Jon was 2
Step-by-step explanation:
Let
x-----> number of flags captured by Danny
y---> number of flags captured by Jon
we know that
------> equation A
-----> equation B
substitute equation B in equation A and solve for y
Find the value of x
therefore
The number of flags captured by Danny was 12
The number of flags captured by Jon was 2
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)