Defects occur on a production line at an average rate of 3 per hour and follow a Poisson distribution. You have been asked to calculate the probability that no defects occur over the next four hours.  Which value of λ should you use to calculate that probability?

The zero position along its equator points toward the center of our galaxy in the (4 points)

Which tool would a geologist use to test a mineral’s resistance to scratching? (2 points)

The model below represents a nuclear reaction. Atom 1 is present before the reaction, and Atom 2 and Atom 3 are produced after the reaction. Atom 1 = Atom 2 + Atom 3 + energy The model most likely represents a reaction which (2 points)

What can be concluded about the broken mineral in the image? (2 points) Public Domain

Which list places the layers of the sun in the correct order from outermost to innermost? (2 points)

Mercury is 0.39 AU from the sun. What is its distance from the sun in kilometers? (2 points)

You are conducting a study on the relationship between hours spent playing Halo and GPA. You’ve found that as the number of hours spent playing Halo increases, GPA decreases.  What type of correlation does this describe?

You have been waiting on the campus bus outside of the library for nearly 10 minutes.  If a bus doesn’t arrive soon, you are going to start walking instead of taking the bus.  According to the MSU transit website, the time between arrivals at the library bus stop is exponentially distributed with a mean of 7 minutes.  What is the probability that a bus arrives in the next 5 minutes?  Round your answer to the nearest thousandth.

Which statement describes the solar feature shooting off into space labeled C? (2 points)