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A: SOLUTION-
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A: topic - Pythagoras theorem and trigonometry
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Q: 1. Find the area for figure l: 4 [2 4 12
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Q: Explain what the blue band in Figure 6-6 represents. Why is it important?
A: Bar graph is used for visual representation of the data. It graphically displays the data using bars…
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- To determine the number of in a lake , a conservationist catches 450 trout's , tags them, and releases them. Later 88 are caught, and it is found that 45 of them are tagged. Assuming that the proportion of tagged in the second sample was the same as the proportion of tagged in the total population, estimate the number of in the lake.People come to relationships with different attachment styles that partially stem from the attachments they experienced with the adults raising them and partially due to experiences in other relationships in their lives. Those who have what is known as “secure” attachments are comfortable with their partners emotions, can help soothe, and make movements towards the other person in a responsive way. Among a group of 10 individuals rated as having a secure attachment style, a researcher wanted to know if, as they were first being acquainted with another person, the amount of self-disclosure made them like their person more. The data is listed in Table 6 below. Test the hypothesis at an alpha of 0.05 (where increasing scores mean higher disclosure and higher liking). If you knew the new person you are about to go on a date with had a self-disclosure rating of 4, what would you predict your likeability score would be (provide the full regression formula as well as the response)? -use…People come to relationships with different attachment styles that partially stem from the attachments they experienced with the adults raising them and partially due to experiences in other relationships in their lives. Those who have what is known as “secure” attachments are comfortable with their partners emotions, can help soothe, and make movements towards the other person in a responsive way. Among a group of 10 individuals rated as having a secure attachment style, a researcher wanted to know if, as they were first being acquainted with another person, the amount of self-disclosure made them like their person more. The data is listed in Table 6 below. Test the hypothesis at an alpha of 0.05 (where increasing scores mean higher disclosure and higher liking). If you knew the new person you are about to go on a date with had a self-disclosure rating of 4, what would you predict your likeability score would be (provide the full regression formula as well as the response)? Table 6.…
- A farmer estimates that 4% of the 1,400 fruit trees on his farm will fail to produce fruit, with a margin of error of 2.5%. Based on this information, which statements are true? Select all that apply. Because 4% of the fruit trees will fail to produce fruit, the farmer should calculate 4% of 1,400. Then, he should subtract 2.5% of that number to find the low end of the range. He should also add 2.5% to that number to find the high end of the range trees that fail to produce fruit. Between 53 and 57 trees can be expected to fail to produce fruit. Because there is a margin of error of 2.5%, the farmer should calculate 2.5% of 1,400 to find the high end of the range of trees that fail to produce fruit. The lowest number of trees that fail to produce fruit is simply 0. Between 0 and 35 trees can be expected to fail to produce fruit. Because there is a margin of error of 2.5%, between 1.5% and 6.5%6.5% of the fruit trees will fail to produce fruit. The farmer should calculate 1.5%…A life insurer classifies insurance applicants according to gender (i.e male or female ) and smoking habits (smoker or non smoker). The result for a large group of applicants are: 1) 75% of male 2) 75% of non-smokers 3) 5% are female smokers. What percentage are male non-smokersThe American Heart Association is about to conduct an anti-smoking campaign and wants to know the fraction of Americans over 38 who smoke. Step 1 of 2: Suppose a sample of 273 Americans over 38 is drawn. Of these people, 79 smoke. Using the data, estimate the proportion of Americans over 38 who smoke. Enter your answer as a fraction or a decimal number rounded to three decimal places. Step 2 of 2: Suppose a sample of 273 Americans over 38 is drawn. Of these people, 79 smoke. Using the data, construct the 85% confidence interval for the population proportion of Americans over 38 who smoke. Round your answers to three decimal places. Lower end point, upper end point
- From a group of 30 patients receiving a standard chemotherapy treatment for lymphoma, 5 can be chosen for additional experimental treatment that may ameliorate most side effects. How may listing of 5 can be chosen from initial group of 30?for every 12 girls at svms there are 8 boys if there 2,400 total students predict the actual number of girls?Globally, 35% of all ridged brittleshell tortoises have spots on their shells. A herpetologist in Citition collects a sample of 38 ridged brittlesell tortoises and finds that 16 of them have spots on their shells. The herpetologist would like to test the claim that the proportion of ridged brittleshell tortoises in Cititon with spots on their shells is greater than 35%. The herpetologist ends up rejecting the null hypothesis. If the actual proportion of ridged brittleshell tortoises in Cititon with spots on their shells is 41%, then what type of error, if any, has occurred? In the problem above, what is the test statistic?
- A study at UNG divided female graduate students into three groups and had the students perform as many push ups as possible in 60 seconds. The first group was told nothing, the second group was told to “Try as many as possible,” while the third group was told to try and increase their number each day by 5%. After a week, the number of push ups completed by each group was recorded. This is an example of an ____________________ study. Experimental or ObservationalSuppose that a poll taken 10 years ago found that 56% of parents spank their children. Suppose a recent poll of 300 adults with children find that 143 indicated that they spank their children. Assuming parents attitudes toward spanking has not changed since the original poll how many of the 300 parents surveyed would be expected to spank their children.Suppose that we identify 155 women 50 to 54 years of age who have both a mother and a sister with a history of breast cancer. 18 of these women themselves have developed breast cancer at some time in their lives. If we assume that the proportion of breast cancer cases in women whose mothers have had breast cancer is 8%, does having a sister with the disease increase the risk? Find the p-value.