The distance from the lighthouse to the boat will be given by:
tan θ=opposite/adjacent
θ=angle of depression=23
opposite= height of the lighthouse
adjacent=distance from the boat to the bottom of the light house
hence
tan 23=210/a
thus solving for a we obtain:
a=210/tan23
hence
a=494.73 ft
Answer:
a) P=0.2861
b) P=0.0954
c) P=0.3815
d) P=0.6185
Step-by-step explanation:
The question is incomplete:
<em>Among the N=16 students taking a graduate statistics class, A=10 are master students and the other N-A=6 are doctorial students. A random sample of n=5 students is going to be selected to work on a class project. Use X to denote the number of master students in the sample. Keep at least 4 decimal digits if the result has more decimal digits.
</em>
<em>
</em>
<em>a) The probability that exactly 4 master students are in the sample is closest to?
</em>
<em>
b) The probability that all 5 students in the sample are master students is closest to?
</em>
<em>
c) The probability that at least 4 students in the sample are master students is closest to?
</em>
<em>
d) The probability that at most 3 students in the sample are master students is closest to?</em>
<em />
We use a binomial distribution with n=5, with p=10/16=0.625 (proportion of master students).
a)
b)
c)
d)
Your answer is (3,1) because if you graph the line that is the on off the line the other follow through
Answer:
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Step-by-step explanation:
jjjjjjjjjjjjjjjjjjjjjjjj
The sum of the measures of the angles of an n-sided polygon is
(n - 2)180
You have a 4-sided polygon, so (4 - 2)180 = 2(180) = 360.
The sum of the measures of the angles of the polygon is 360.
Subtract the three measures you have from 360 to find the measure of the 4th angle.
360 - 115 - 65 - 65 = 115
Answer: D. 115 deg