The exponential function h, represented in the table, can be written as h(x)=a.b^x
1 answer:
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We have been given some information about a circle whose area is 13266.5 square yards. And we are advised to use value of π =3.14.
Now we need to find the radius of the circle so we can use formula of area of the circle which is :
take square root of both sides
65 = r
Hence final answer is radius of the circle = 65 yards.
Answer:
Step-by-step explanation:
Given that x = no of movies high school students watched is N(6.8, 1.8)
Sample size = 36 and hence std error = 1.8/6 = 0.3
(two tailed test)
Mean difference = 6.2-6.8 = -0.6
Test statistic z = -0.6/0.3= -2
p value = 0.02275
Since p <0.05 we reject H0.
There is evidence to show that college students watch fewer movies a month than high school students