Answer Happy

Big Pretzel Company makes a line of snack-size pretzels. The mean number of pretzels in a snack-size bag is 20, with a standard deviation of 2. 90% of the time you should expect to have at least how many pretzels in the snack- size bag? Assume a normal distribution applies. (Hint: Use inverse normal function) 20 pretzels O 2 pretzels Approximately 16.34 pretzels Approximately 17.44 pretzels Approximately 22.56 pretzels Nav

a A company's construction time follows a normal distribution. The mean time to construct a building is 100 days and the standard deviation is 20 days. What is the probability that the company will finish the job in less than 110 days? 0.6915 O 0.2029 O 0.7917 0.3085 0.3944 go

A local coffee shop has determined that an average of 8 customers arrive during a 10- minute span (9:00-9:10am) on Monday morning. Assuming a Poisson Distribution, what is the probability that on a random Monday morning, 20 or more customers will arrive in the 30-minute span between (9:00-9:30am)? 0.1803 O .8197 0.2426 07574 9997