The t-distribution is a symmetric distribution. Select one: O True O False
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A: Given See the handwritten solution
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- need hekp with this, please!K Use the data in the following table, which lists drive-thru order accuracy at popular fast food chains. Assume that orders are randomly selected from those included in the table. Drive-thru Restaurant C 242 36 A 329 30 B 274 57 D Order Accurate 146 Order Not Accurate 10 If one order is selected, find the probability of getting an order from restaurant B or D or an order that is not accurate. The probability of getting an order from restaurant B or D or an order that is not accurate is (Round to three decimal places as needed.)High school students in Michigan sometimes get "snow days" in the winter when the roads are so bad that school is canceled for the day. Define the random variableX = the number of snow days at a certain high school in Michigan for a randomly selected school year. Suppose the table below gives the probability distribution of X. 1. Value x, 1. 3 4 5 6 7 8 9 10 Probability p, ? 0.19 0.14 0.10 0.07 0.05 0.04 0.04 0.02 0.01 0.01 (a) Write the event “the school year has O snow days" in terms of X. Then find its probability. (b) At this high school, if more than 5 snow days are used over the course of the year, students are required to make up the time at the end of the school year. What's the probability that a randomly selected school year will require make-up days?
- Sephora uses a continuous distribution to describe the sales from one of their beauty events. From business intuition the manager sees generally sales are from $100,000 to $150,000 in their location. What is the probability the sales is more than 120,000?Find the probability that no tires have low air pressure.Determine whether the following is a probability distribution. If not, identify the requirement that is not satisfied. ** view image options: Probability Distribution Not a Probability Distribution
