Find the equation for the plane through the points Upper P 0 (4 comma 5 comma negative 3 )P0(4,5,−3), Upper Q 0 (1 comma 4 comm
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Considering the given equation for the time, it is found that the length of the pendulum in this problem is of 38.40 ft.
<h3>What is the equation for the time it takes for the pendulum to swing back and forth?</h3>The equation is given as follows:
In which l is the length of the pendulum.
In this problem, we have that , hence:
l = 32 x 1.2
l = 38.4 ft.
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Answer:
There is no enough evidence to to support the claim that Portland has more average yearly rainfall than Seattle.
Being μ1: average rainfall in Portland, μ2: average rainfall in Seattle, the null and alternative hypothesis are:
P-value = 0.1290
As the P-value is bigger than the significance level, the effect is not significant and the null hypothesis failed to be rejected.
Step-by-step explanation:
We have to test the hypothesis of the difference between means.
The claim is that Portland has more average yearly rainfall than Seattle.
Being μ1: average rainfall in Portland, μ2: average rainfall in Seattle, the null and alternative hypothesis are:
The significance level is 0.10.
The sample for Portland, of size n1=45, has a mean of M1=37.50 and standard deviation of s1=1.82.
The sample for Seattle, of size n1=35, has a mean of M1=37.07 and standard deviation of s1=1.68.
The difference between means is:
The standard error for the difference between means is:
We can calculate the t-statistic as:
The degrees of freedom are:
Then, the p-value for this one-tailed test with 78 degrees of freedom is:
As the P-value is bigger than the significance level, the effect is not significant and the null hypothesis failed to be rejected.
There is no enough evidence to to support the claim that Portland has more average yearly rainfall than Seattle.