Henry was building a tent and had four spikes that he had to pound into the ground. The net of one of the spikes is shown. What
is the surface area of his spike?
A) 64 in2
B) 80 in2
C) 128 in2
D) 144 in2
Alison is going camping and needs to get a tarp to cover the top of her tent. She has the following diagram of her tent. How large a tarp does she need?
A)
80 ft2
B)
105 ft2
C)
160 ft2
D)
185 ft2
PLEASE PLEASE HELP ME!!
A) 64 in2
B) 80 in2
C) 128 in2
D) 144 in2
Alison is going camping and needs to get a tarp to cover the top of her tent. She has the following diagram of her tent. How large a tarp does she need?
A)
80 ft2
B)
105 ft2
C)
160 ft2
D)
185 ft2
PLEASE PLEASE HELP ME!!
2 answers:
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Solution :
The null and alternative hypothesis is given by
Assume that the level of significance, α = 0.05
The t-test statistics is, t = 1.484
Degree of freedom :
df = n - 1
= 14 - 1
= 13
The P-value is given by
P-value = 2P (T>|t|)
= 2P(T>|1.484|)
= 2P(T>1.484)
= 2(=T.DIST.RT(1.484,13))
= 0.05