The national distribution of fatal work injuries in a country is shown in the table to the right under National %. You believe that the distribution of fatal work injuries is different in the western part of the country and randomly select 6231 fatal work injuries occurring in that region. At a= 0.025 can you conclude that the distribution of Transportation atal work injuries in the west is different from the national distribution? Complete parts a through d below. a. State Ho and H, and identify the claim What is the null hypothesis, Ho? OA. The distribution of fatal work injuries in the west is 2889 transportation, 1159 equipment, 800 assaults, 755 falls, 531 harmful fumes, and 97 fires. B. The distribution of fatal work injuries in the west is 42% transportation, 19% equipment, 15% assaults, 13% falls , 8% harmful fumes, and 3% fires. OC. The distribution of fatal work injuries in the west differs from the expected distribution. What is the alternate hypothesis, H₂? OA. The distribution of fatal work injuries in the west is 42% transportation, 19% equipment, 15% assaults, 13% falls, 8% harmful fumes, and 3% fires. OB. The distribution of fatal work injuries in the west is the same as the expected distribution. C. The distribution of fatal work injuries in the west differs from the expected distribution. Which hypothesis is the claim? O Ho H₂ 2 b. Determine the critical value. Xo, and the rejection region CIE 2 Xo- (Round to three decimal places as needed.) Equipment Assaults Falls Harmful fumes Fires Cause National % 42% 19% 15% 13% 8% 3% Western Frequenc 2889 1159 800 755 531 97

In the frequency distribution of 100 families given below, the number of families corresponding to expenditure groups 20-40 and 60–80 are missing from the table. However, the median is known to be 50. Find the missing frequencies. Expenditure 0-20 20-40 40-60 60-80 80–100 No. of families 14 ? 27 ? 15

Question c. Find the percentage of these adults who possess 7 or fewer credit cards. d. Draw an ogive for the cumulative percentage distribution. e. Using the ogive, find the percentage of adults who possess 10 or fewer credit cards.

Please answer question 11.5

When 30 randomly selected customers left a convenience store, each was asked the number of items he or she purchased. Construct an ungrouped frequency distribution for the data.   2            10          5            4            7 6            3            9            7            6 7            6            4            9            7 6            3            4            3            5      6            10          10          9            10          4            3            2            8            5

2. A smartphone manufacturer is advertising that its new smartphone has the best battery life. Thirty smartphones were randomly selected and the number of hours each smartphone lasted before reaching 0% battery is recorded below. A. Using the following distribution of battery life (in hours) of the latest new smartphone, construct a box & whisker plot on the graph paper and display the 5-number summary on the boxplot. BATTERY LIFE (IN NUMBER OF HOURS) 50, 25, 39, 37, 49, 48, 62, 44, 41, 34, 38, 39, 40, 49, 32, 36, 44, 49, 47, 44, 49, 46, 39, 38, 44, 45, 50, 43, 40, 42 (Σx- 1283 md Σχ 56261 ) B. State the 5-Number Summary: Min: Lower Quartile: Median: Upper Quartile: Мах: C. State the shape of the Box Plot. D. What does the shape of the Box Plot indicate about the battery lives of the new smartphone? E. Using the modified box plot function of your TI Calculator modified box plot, determine if there are any outliers or potential outliers. If outlier(s) exist, then state the value of the…

The national distribution of fatal work injuries in a country is shown in the table to the right under National ​%. You believe that the distribution of fatal work injuries is different in the western part of the country and randomly select 6231 fatal work injuries occurring in that region. At alpha equals 0.10   can you conclude that the distribution of fatal work injuries in the west is different from the national​ distribution? Complete parts a through d below. Cause National​ % Western Frequency   Transportation 42 ​% 2894 Equipment 17 ​% 1158 Assaults 15 ​% 805 Falls 14 ​% 751 Harmful fumes 9 ​% 535 Fires 3 ​% 88 a. State Upper H 0   and Upper H Subscript a   and identify the claim. What is the null​ hypothesis, Upper H 0 ​?     A. The distribution of fatal work injuries in the west is 2894   ​transportation,…

Construct a frequency bar graph. Congestive heart failure Coronary atherosclerosis Heart attack Infant birth Pneumonia 0 0 A 0 A A 100 200 Frequency 300 400

The national distribution of fatal work injuries in a country is shown in the table to the right under National %. You believe that the distribution of fatal work injuries is different in the western part of the country and randomly select 6231 fatal work injuries occurring in that region. At a = 0.05 National % 42% Western Frequency 2893 Cause Transportation can you conclude that the distribution of fatal work injuries in the west is different from the national distribution? Complete parts a through d below. Equipment Assaults Falls Harmful fumes 19% 1157 14% 806 13% 753 10% 532 Fires 2% 90 a. State Ho and H and identify the claim. What is the null hypothesis, Ho? O A. The distribution of fatal work injuries in the west is 42% transportation, 19% equipment, 14% assaults, 13% falls, 10% harmful fumes, and 2% fires O B. The distribution of fatal work injuries in the west differs from the expected distribution. O C. The distribution of fatal work injuries in the west is 2893…

When 30 randomly selected customers left a convenience store, each was asked the number of items he or she purchased. Construct an ungrouped frequency distribution for the data. Create a histogram for the data in #7. Create a frequency polygon for the data in #7.   2            10          5            4            7 6            3            9            7            6 7            6            4            9            7 6            3            4            3            5      6            10          10          9            10          4            3            2            8            5