Write the passage in the form of an argument using the following simple statements:p: The "diamond" is a fake.q: Peter will be unhappy for weeks.The argument's conclusion should be: The diamond must not have been a fake.Determine if the argument is valid or invalid.Peter bought a "diamond" from a street vendor. I was sure it was a fake and that it would make Peter miserable for weeks. But I saw him a few days later. He had got the "diamond" appraised and looked quite happy.......
A. p ? q
~ q
----
? ~ p The argument is valid.
B. p ? q
~ q
----
? ~ p The argument is invalid.
C. p ? q
~ q
----
? ~ p The argument is valid.
D. p ? q
~ q
----
? p The argument is invalid.
Answer: C
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The following table shows the number N, in thousands, of newspaper subscriptions t years after initial publication. Use exponential regression to find the yearly percentage growth in the number of subscriptions. Round your answer to two decimal places. t 0 3 6 9 12 N 2.89 6.88 16.82 40.64 99.00?
A. 32.91% B. 34.00% C. 35.39% D. 35.21%
Compute r, the linear coefficient of correlation, for the given data.A study was conducted to compare the average time spent in the lab each week versus course grade for computer students. The results are recorded in the table below. Number of hours spent in labGrade (percent) 109611511662958789158116461051
A. -0.335 B. -0.284 C. 0.462 D. 0.017
Provide an appropriate response.The formula for finding compound interest is A = P
nt where A is the accumulated amount, P is the principal invested, r is the rate of interest, t is the time in years, and n is the number of compounds each year. Find the accumulated amount if the principal invested is $8,000, the rate is 6%, the compounds each year is 2 (semi-annually), and the number of years is 12.
Fill in the blank(s) with the appropriate word(s).
Use your calculator to evaluate the expression rounded to three decimal places. e-3
A. 1.099 B. 0.050 C. 20.086 D. 0.477