For her birthday, Kendra received a gift card in the mail from her grandparents. The gift card was worth $50. Kendra thought, si
2 answers:
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Answer:
The volume of the rectangular prism is
Step-by-step explanation:
A rectangular prism is in the shape of cuboid which has three dimensions i.e Length, width and height.
Given: Length =8.5 cm width= 3.2 cm and Height= 6 cm
The volume of a Cuboid =
Applying the given dimensions in the formula:
The volume of a Cuboid=
=
The volume of the rectangular prism is
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