The 2 missing activity times in the following network are: A = 4 B = 6 2. A 1. 3. B What is the Latest Start Time for Activity 3?
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- The owner of a pet store is trying to decide whether to discontinue selling specialty clothes for pets. She suspects that only 10% of the customers buy specialty clothes for their pets and thinks that she might be able to replace the clothes with more interesting and profitable items on the shelves. Before making a final decision she decides to keep track of the total number of customers for a day, and whether they purchase specialty clothes for their pet. a) Assuming the pet store owner is correct in thinking that only 10% of her customers purchase specialty clothes for their pets, how many customers should she expect before someone buys a garment for their pet? b) What is the probability that she does not sell a garment until the 5th customer? c) What is the probability that exactly 4 of the first 10 customers buy specialty clothes for their pet? d) What is the probability that at least 3 of the first 35 customers buy specialty clothes for their pet?…Construct a Cayley table for U(12)Use the following cell phone airport data speeds (Mbps) from a particular network. Find P80. 0.1 0.1 0.2 0.3 0.3 0.3 0.3 0.3 0.3 0.4 0.6 0.6 0.8 0.8 0.9 1.1 1.4 1.6 1.7 1.8 1.9 2.1 2.4 2.7 2.9 2.9 3.2 3.5 3.5 3.9 4.9 5.2 5.6 5.9 6.8 8.2 8.3 10.4 11.4 12.3 12.9 13.2 13.4 13.6 13.9 14.3 14.6 14.9 15.9 27.9
- Use the following information to create a two way table showing the number of students enrolled in certain subjects by gender.In a survey of 200 MDM4U students, the following information was found:68 enjoy crosswords,97 enjoy baking,71 enjoy acting,20 enjoy acting and crosswords,29 enjoy acting and baking,23 enjoy baking and crosswords,28 do not enjoy any of those three activities.Explaining any calculations, a. How many people enjoy all three activities? b. How many people enjoy only acting, and only baking? c. Create a Venn diagram that depicts the number of students who enjoy the activities. You may draw your diagram and scan or photograph it, you may create it electronically, or if you are unable to complete this activity visually, you may describe the components of the diagram in detail.Students who are home-schooled often attend their local schools to participate in various types of activities such as sports or musical ensembles. According to the government, 82% of home-schoolers receive their education entirely at home, while 12% attend school up to 9 hours per week and 6% spend from 9 to 25 hours per week at school. A survey of 85 students who are home-schooled revealed the following information about where they receive their education. Entirely at home Up to 9 hours 9 to 25 hours 50 25 10 At α=0.05, is there suffificient evidence to conclude that the proportions differ from those stated by the government?
- In a survey of 200 MDM4U students, the following information was found:68 enjoy crosswords,97 enjoy baking,71 enjoy acting,20 enjoy acting and crosswords,29 enjoy acting and baking,23 enjoy baking and crosswords,28 do not enjoy any of those three activities.Explaining any calculations, a. How many people enjoy all three activities? b. How many people enjoy only acting? c. How many people enjoy only baking? d. Create a Venn diagram that depicts the number of students who enjoy the activities. You may draw your diagram and scan or photograph it, you may create it electronically, or if you are unable to complete this activity visually, you may describe the components of the diagram in detail.In March 2017, 9,195 men took trips with median duration of 300 seconds, and 2,439 women took trips with median duration of 319 seconds, on New York City's ride sharing program, Citibike. Overall, what was the median duration of all Citibike ride trips that month? A. 304 seconds B. 315 seconds C. 309.5 seconds D. None of these. E. Cannot be determinedwhat would be a careful interpretation of the 12% in the two-way table?
- A manager at a local discount gym believes that less than 20% of gym members use the gym, at least 5 days a week. She randomly selects 100 gym members and tracks (using the electronic login system at the door) how many days they used the gym over the 2-week period. The following are the results: 2 3 10 4 2 3 8 4 8 10 5 0 6 3 9 13 6 3 12 5 3 3 5 1 5 9 8 5 8 2 6 4 4 2 12 1 3 3 2 12 7 3 14 2 8 5 2 6 1 5 6 9 6 8 10 1 11 3 2 1 5 4 1 2 3 13 7 4 8 3 7 4 3 2 10 3 1 7 11 8 4 7 6 7 8 11 7 6 3 2 5 0 4 6 5 12 2 10 1 2 Test the manager's claim at the 2.5% level of significance. Standard Normal Distribution Table a. Calculate the test statistic. z=�= Round to two decimal places if necessary Enter 0 if normal approximation to the binomial cannot be used b. Determine the critical value(s) for the hypothesis test. Round to two decimal places if necessary Enter 0 if normal approximation to the binomial cannot be used c. Conclude whether to reject the null hypothesis or…The following are the data regarding the enrollment of 100 students in the subjects MMW, STS, and NSTP. Draw a Venn Diagram representing the data. 60 enrolled in MMW 40 enrolled in STS 50 enrolled in NSTP 28 enrolled in STS and MMW 24 enrolled in STS and NSTP 22 enrolled in MMW and NSTP 10 enrolled in three subjects