You find out that respondents to The Knot's survey were recruited from members of TheKnot.com. Do you trust that the survey results come from a representative sample? Why or why not?
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- Answer the following questions. 5. What is the term for the arrangement that selects r objects from a set of ii objects when the order of the r objects is not important? What is the formula for calculating the number of possible outcomes for this type of arrangement?why is the topologist's comb connected but not path-connected?In a survey of 103 resorts, it was found that 30 had a spa. 58 had a fitness center. 38 had a children's club. 13 had a spa and a fitness center. 8 had a spa and children's club. 16 had a fitness center and children's club. 6 had all three features. ) How many of the resorts surveyed had exactly one of these features?
- SOLVE STEP BY STEP AND MAKE VENN DIAGRAMS TOO In a manufacturing company, it was detected that an order of 240 pieces has quality problems. In order to determine in which operation the greatest number of defective parts was produced, an investigation was carried out and the following was found:• 70 pieces are assembled.• 90 pieces are baked.• 70 pieces are painted.• 130 pieces are baked or assembled.• 130 pieces are baked or painted.• 120 pieces are assembled or painted• 20 pieces are assembled and baked, but not painted. Determine the number of pieces according to the following propositions: i. They only went through the baking operation.ii. They did not undergo any of those operations.iii. They went through all three operations.iv. They passed the painting operation.Lisa is a Marketing Manager working for a large professional outdoor organizing company. She was interested to know the customer preferences and what the company wants from them. She wanted to ensure that the customer information would enable them to best provide services to their customers. Three hundred nine customers were selected from each of the four geographic regions (South, Klang Valley, North and East Coast) of Peninsular Malaysia, and they were asked which type of outdoor activities they prefer. The results of the survey are given in Table 3. Construct a contingency table and calculate value of X squared? State the hypotheses for the test. Based on the evidence from these samples, can you conclude that the outdoor activities and geographic regions are related? Use alpha = 0.01.Lisa is a Marketing Manager working for a large professional outdoor organizing company. She was interested to know the customer preferences and what the company wants from them. She wanted to ensure that the customer information would enable them to best provide services to their customers. Three hundred nine customers were selected from each of the four geographic regions (South, Klang Valley, North and East Coast) of Peninsular Malaysia, and they were asked which type of outdoor activities they prefer. The results of the survey are given in Table 3. Construct a contingency table and calculate value of X squared?
- Lisa is a Marketing Manager working for a large professional outdoor organizing company. She was interested to know the customer preferences and what the company wants from them. She wanted to ensure that the customer information would enable them to best provide services to their customers. Three hundred nine customers were selected from each of the four geographic regions (South, Klang Valley, North and East Coast) of Peninsular Malaysia, and they were asked which type of outdoor activities they prefer. The results of the survey are given in Table 3. Construct a contingency table and calculate value of ? . State the hypotheses for the test. Based on the evidence from these samples, can you conclude that the outdoor activities and geographic regions are related? Use ? = 0.012) In a sample of 50 car users, 15 are using Toyota, 20 are using BMW, 10 are using MB and the rest using Nissan. Construct a pie-chart for above information.A research design where one group is tested in one conditions and another group is tested in another condition is called ______.
- The patterns made by automobile tire treads in the snow are friezepatterns. An extensive study of automobile tires revealed that onlyfive of the seven frieze patterns occur. Speculate on which two patternsdo not occur and give a possible reason why they do not.6. In a college graduating class of 100 students, 54 studied mathematics, 69 studied history and 35 studied both mathematics and history. a. Draw the Venn diagram:In a survey of 60 people it was found that 25 read Nation news paper, 26 read Kenya Times and 26 read True Love. Also 9 read both Nation and True Love, 11 read both Nation and Times, 8 read both Times and True Love, and 8 read no magazine at all.i. Find the number of people who read all 3 magazines ii. Fill in the correct number of people in each region in a Venn diagram iii. Determine the number of people who read exactly one magazine