Q1/ 100 college students were surveyed and asked how many hours a week the spent studying the results are in the table below. Male Less than 5 5 to 10 More than 10 total 11 Female 13 total 24 22 24 16 14 30 51 100 Find the probability that a student spent between 5 and 10 hr. or more than 10 hr.
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- Based on a poll, among adults who regret getting tattoos, 28% say that they were too young when they got their tattoos. Assume that eighteight adults who regret getting tattoos are randomly selected, and find the indicated probability. Complete parts (a) through (d) below. a. Find the probability that none of the selected adults say that they were too young to get tattoos.In the experiment of tossing a coin 11 times. The probability of getting three heads at the most Select one: a. 0.500000 b. 0.125000 c. 0.005371 d. 0.113281 e. 0.000488 f. 0.080566 g. 0.026855The table below shows the results of a survey that asked the involvement of a person in a charity work. The person’s gender and response were recorded. Find the probability of selecting a female who never volunteers a.0.29 b.0.57 c.0.51 d.0,49
- Assume that when adults with smartphones are randomly selected, 45% use them in meetings or classes. If 10 adult smartphone users are randomly selected, find the probability that at least 3 of them use their smartphones in meetings or classes. Question content area bottom Part 1 The probability is enter your response here. (Round to four decimal places as needed.)10.2.% of the population is 65 or older . Find the probability that the following number of persons selected at random from 50 people are 65or older . The probability that at most 2 are 65 or older is ?Click to see additional instructions Suppose that unknown to a geneticist, there are 6 out of 12 genes that play a significant role in developing skin cancer. If the geneticist randomly samples 5 of these 12 genes and studies them, the probability that he will have sampled more than 4 skin cancer related genes is Note: Provide your answer in three decimal points e.g. 0.001 Previous NEXT Save
- As to the below Travel Expenses table published by the Students’ Union, 185 students were randomly selected to help understand the travel expenses and distance to campus. What’s the probability for Mike to spend over £10 on journeys to campus? Distance to Campus (miles) Amount spent, £ 0.1 to 0.25 0.26 to 1.0 Over 1.0 0 – 4.99 35 26 10 5.00 – 9.99 18 39 20 10.00+ 4 14 19 I have three answers and I am not sure which one is correct: a) 37/ 185 b) 19/ 185 c) 19/49 Please write which answer is correct and WHY... Thank youA poll showed that 44.5% of Americans say they believe that life exists elsewhere in the galaxy. What is the probability (in percent form) of randomly selecting someone who does not believe that life exists elsewhere in the galaxy. Probability = % (Please round your answer to one decimal place.) %3D Submit Question 17,123 NOV 1 16 tv MacBook Air 80 888 F3 F4 F5 F6 F7A test was given to a group of students. The grades and gender are summarized below A Total Male 8. 11 6. 28 Female 20 18 12 50 Total 28 29 21 78 If one student is chosen at random from those who took the test, Find the probability that the student was female GIVEN they got a 'B'. 圓a 回
- A random experiment is to draw one pencil at random from a box with 10 pencils of which 2 is red, 3 blue, 4 yellow and 1 black. a. 0.1 What is a probability of selecting a black pencil? b. None of the answers -1 C. 0.8 --- d. 0.5The following table gives data on the marital status of women aged 25 to 29. These proportions tell us the probability of the marital status of a randomly selected woman. Marital Status Never Married Married Widowed Divorced Proportion ??? 0.494 0.005 0.046 1) What percentage of women aged 25 to 29 have never been married? 2) What is the probability that a randomly chosen woman is not currently married?The table below summarizes a survey involving the relationship between living arrangements and grade point average for a group of students. If a student is selected randomly from this group, what is the probability that the student lives off campus? On Campus At home Apartment Totals Below 2.5 97 38 44 179 2.5 to 3.5 66 26 22 114 Over 3.5 18 5 8 31 Totals 181 69 74 324