Use the empirical probability formula to solve the exercise.A survey of 988 adult investors asked how often they tracked their stock portfolio. The table shows the investor responses. What is the probability that an adult investor tracks his or her portfolio daily?
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Provide an appropriate response. log 345 =
A. 2.5378 B. 1.5315 C. 4.6021 D. 3.6990
Mathematics
Decide whether or not the matrices are inverses of each other.
and 
A. Yes B. No
Mathematics
Find the expected value.A car agency has found daily demand to be as shown in the table.
Find the expected number of customers.
A. 9 B. 12 C. 10 D. 2
Mathematics
Provide an appropriate response.A shipment of 20 digital cameras contains two that are defective. A random sample of three is selected and tested. Let X be the random variable associated with the number of defective cameras in a sample. Find the probability distribution of X and the expected number of defective cameras in a sample.
What will be an ideal response?
Mathematics