The average number of road accidents that occur on a particular stretch of road during a year is 11. P left parenthesis x equals k right parenthesis space equals space fraction numerator lambda to the power of k e to the power of negative lambda end exponent over denominator k factorial end fraction k space i s space t h e space g i v e n space n u m b e r space o f space e v e n t space o c c u r r e n c e s lambda space i s space t h e space a v e r a g e space r a t e space o f space e v e n t space o c c u r r e n c e s Using the Poisson distribution formula, what is the probability of observing exactly seven accidents on this stretch of road next year (answer choices are rounded to the hundredths place)? a.) 0.01 b.) 0.06 c.) 0.02 d.) 0.14