The following data represents the weekly sales revenue {$000) of a sample of cafes. 33.2 13.0 16.8 5.1 14.8 18.1 14.1 20.0 8.1 13.7 19.6 13.2 30.6 6.0 18.9 23.7 5.4 12.5 32.8 30.0 19.8 10.0 11.1 12.5 22.6 12.5 11.7 21.0 14.9 24.3 11.6 9.2 a} Using (5, 10] as your first class, summarize this data by creating a table including the following: Frequency Relative frequency (911), correctly rounded to two decimal places. Cumulative Relative Frequency (%), correctly rounded to two decimal places. b) Using your table, how many cafes returned weekly sales revenue greater than $30,000 but less than or equal to $35,000? c) Using your table. what percentage of cafes had weekly sales revenue less than or equal to $30,000? d) Is this data categorical or numerical? Briefly explain. Question 10 Not yet answered Marked out of 4110 ll? Flag question The following table shows people's ages cross classied against their attitude to proposed new drink driving laws: Disagree Undecided Under 20 years 22 8 20 to 40 years 47 10 Over 40 yea rs 29 17 What is the probability of randomly selecting one person who disagrees with the proposed new drink driving laws? Give your answer to two decimal places. Please do NOT give your answer in percentage form. Question 11 Not yet answered Marked out of 4.00 V Flag question After rolling a fair six sided dice 2 times and having it land face up on the number "2" for 2 times, what is the probability of having the dice land on "2\" , if we roll the dice one more time? Please give your answer correctly rounded to two decimal places. Please do NOT give your answer in percentage form. Question 12 Not yet answered Marked out of 4.00 V Flag question The following table shows people's ages cross classied against their attitude to proposed new drink driving laws: Disagree Undecided Under 20 years 21 18 20 to 40 years 31 6 Over 40 yea rs 37 8 What is the probability of randomly selecting one person from this survey who is 20 to 40 years or agrees with the proposed new drink driving laws? Give your answer to two decimal places. Please do NOT give your answer in percentage form. Question 1 3 Not yet answered Marked out of 4.00 \\F Flag question The following table shows people's ages cross classied against their attitude to proposed new drink driving laws: Disagree Undecided Under 20 years 26 18 20 to 40 years 40 2O Over 40 yea rs 32 7 What is the probability of randomly selecting one person from this survey who agrees with the proposed new drink driving laws given that they are over 40 years old? Give your answer as a decimal, to two decimal places, (NOT as a percentage). Question 2 Not yet answered Marked out of 3.00 \\F Flag question A tea packing plant uses a machine to fill each tea bag with 5 grams of tea. Management suspects the machinery is not working correctly, as it is due for a service. To investigate, a random sample of 44 tea bags is taken, each tea bag is weighed, and the weight recorded. EXCEL was used to create a frequency table, a histogram, descriptive statistics, and the 5 number summary for the sample data all provided below. Histogram of tea bag weights MW a In iiiiiiiiiiii E E: 5 HEIEHEEEEME a) Using the above output provided, describe the distribution of tea bag weights. b) Regarding customers, why should management be concerned with the central location of tea bag weight? Question 3 Not yet answered Marked out of 3.00 7.? Flag question The weekly demand (in thousands) for a plumber in a city is listed below along with corresponding probabilities. 0.2 0.1 0.4 0.3 Show workings for each ofyour answers. Find the expected demand and interpret. Find the standard deviation of demand. The owner of a large company wants to understand its employee's perception of their job conditions. 1107 employees were emailed a link to a survey and asked to reply anonymously. All those emailed responded. There are 3625 employees in this company. One of the questions asked employees if the employee was satisfied with the quality of leadership offered by the company. 41% of employees responding replied that they were satisfied. What is the value of the sample size for the survey? Answer:Question 5 Not yet answered Marked out of 4400 i?- Flag questlon Here is a frequency table of weekly rent {15) paid by students: Class Frequency (0. 120] 1 6 (120. 240] 20 (240. 360] (360. 430] (480. 600] What proportion of students paid less than or equal to $480 per week in rent? Give your answer as a decimal. to two decimal places, (NOT as a percentage). Question 6 Not yet answered Marked out of 4.00 Flag question Here is a sample of data: 6 8 11 7 10 9 What is the value of the median? Give your answer to one decimal place. Answer:Question 7 Not yet answered Marked out of 4.00 Flag question The new owners of a small takeaway store, have recorded the following weekly profits for the first seven weeks of trading: Weekly profit ($) 1392 2363 3928 4744 4941 5375 5875 What is the value of the first quartile? Do not include units in your answer. Answer:Question 8 Not yet answered Marked out of 4.00 Flag question You are told that A and B are two events, such that P(A) = 0.44 , P(B) = 0.24, P(A and B) = 0.09 What is the value of P(B given A)? Give your answer to two decimal places.Question 9 Not yet answered Marked out of4.D \\{7 Flag question A financial analyst has designed two different investment options for a client, with the following statistics: Option mean variance For investment option B. what is the value of the coefficient of variation, in percentage form. Here. please DO give your answer to two decimal places as a PERCENTAGE