Answer: p-value is 0.016.
Step-by-step explanation:
Since we have given that
Sample mean = 19.4
Sample size n = 50
Standard deviation = 2
We need to find the test statistic value which is given by
p-value is given by
Hence, p-value is 0.016.
-30 - 5b = b - 6(b + 5)
2 answers:
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For a relation to be a function it must be 
relation is not a function.
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In the above options, C is
The reason is that 3 alone maps onto -2 and 5, in the ordered pairs (3,-2) and (3,5). This disqualifies it from being a function.
Hence the graph of this relation will not pass the vertical line test