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Answer:
(b) It means that the results that Tessa obtained are too unusual to be explained by chance alone
Step-by-step explanation:
The test for statistical significance is a comparison of the result to the probability that it occurred by chance. The probability of a chance occurrence is usually set at 1% or 5%. The lower the percentage, the less likely a chance occurrence is, and the more difficult showing statistical significance becomes.
Ask Google OK buddy you will get some nice help or go in some special maths videos
Answer:

Step-by-step explanation:
Given
See attachment for matrix
From the attachment, we have the following vertices

When scaled by 3T, we have the following:






Hence, the vertices are:

The answer i B just finished this.
Ted rented the bike for 8 hours
cost of Bike $10
50-10=40
40/5, (because each hour costs $5)=8