Listen to the audio questions twice, then write an answer for each one of them in the box below. (3×5=15 pts)

Suppose you conducted a drug trial on a group of animals and you expect that the animals receiving the drug would show increased heart rates compared to those that did not receive the drug. You conduct the study and collect the following data: What is the probability that the heart rate will increase for a animal given that it receives the drug?

A pulse of sound is transmitted from a xdcr into a phantom.  It strikes a reflector 5 cm down.  The echo arrival time is 65µs.  What would be the echo arrival time for a reflector 10 cm deep in the same phantom?

Suppose we want to compare the average height of students in UF and the average height of students in UCF where the sample from UF contains an outlier with n

The xdcr ____ is equal to the ratio of the operating frequency to the frequency bandwidth.

Damping of the xdcr oscillations will:

The matching layer between the piezoelectric element and the tissue is designed to:

The YTM of a $1000 bond with a 10% coupon rate, semiannual coupons, and two years to maturity is 6.5% APR, compounded semiannually. A. Is this bond undervalued or overvalued by the market?  Answer:[B] B. Should you long or short this bond? Answer:[C] C. How much will be your arbitrage profit?  Answer:[D]

What does the R squared value tell you for the purpose of variable selection?

A xdcr with a large bandwidth is likely to have: