Aleem tossed a coin 50 times and recorded the results in a frequency distribution table. Outcome Frequency Heads 22 Tails 28 What is the experimental probability of tossing a head?
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A: The objective of this question is to calculate the experimental probability that a cat will be…
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Q: -robability distribution for the given set of events. wing table displays a frequency distribution…
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- NBA basketball players have a mean height of 79 inches and a standard devaiation of 3.5 inches. Round your answers to four places after the decimal point. If a random sample of 30 NBA basketball players is selected, what is the probability that their mean height is less than 78 inches?The number of tickets purchased by a customer for a musical performance at a certain concert hall can be considered a random variable. The table below shows the relative frequency distribution for the number of tickets purchased by a customer.Suppose each ticket for a certain musical performance cost $12. Based on the distribution shown, what is the mean cost per customer for the performance?(A)$2.45 (B)$2.75 (C)$24.50 (D)$29.40 (E)$36.00!?!??!!?!??!!?
- Using the Two-Way Table provided below answer the following question: Men Women Boys Girls TOTAL Survived 332 318 29 27 706 Died 1360 104 35 18 1517 TOTAL Question 9 What is the probability of randomly selecting back to back people and they are a Male Who Survived and a Girl who died?The following frequency table summarizes how many animals are surrendered to a local animal shelter daily. Dogs 6 Cats 12 Rabbits 5 Birds 2 Using experimental probability, what is the probability that a cat will be surrendered tomorrow? Express your answer as a fraction in lowest terms or a decimal rounded to the nearest millionth.Describe the types of probability samples and discuss under which conditions they may be the most appropriate.
- About 4% of children in the United States are allergic to peanuts. Choose three children at random and let the random variable ?� be the number in this sample who are allergic to peanuts. The possible values ?� can take are 0, 1, 2, and .3. Make a three‑stage tree diagram of the outcomes (allergic or not allergic) for the three individuals and use it to find the probability distribution of ?.�. Give your answers to six decimal places. ?(?=0)=(=0)= ?(?=1)=(�=1)= ?(?=2)=(�=2)= ?(?=3)=(�=3)=The following frequency table summarizes how many animals are surrendered to a local animal shelter daily. Dogs 8 Cats 7 Rabbits 2 Birds 3 Using experimental probability, what is the probability that a cat will be surrendered tomorrow? Express your answer as a fraction in lowest terms or a decimal rounded to the nearest millionth.The National Longitudinal Study of Adolescent Health interviewed several thousand teens (grades 7 to 12). One question asked was “What do you think are the chances you will be married in the next 10 years?” Here is a two-way table of the responses by gender: Opinion Female Male Almost no chance 120 93 Some chance but probably not 149 167 A 50-50 chance 462 511 A good chance 746 704 Almost certain 1192 758 How many individuals are described in this table? How many females were among the respondents? The percent of females among the respondents was about %. Your percent from the previous exercise is part of the marginal distribution of opinion about marriage. the conditional distribution of sex among adolescents with a given opinion. the marginal distribution of sex. What percent of females thought that they were almost certain to be married in the next 10 years?% Your percent from the previous exercise is part of the conditional distribution of opinion…
- A researcher conducted a study on 241 participants to see which plant color they were most likely to select. Using the chart below, what is the probability that someone would choose a plant that wasn't green or red? Plant Color Green Pink Red 50 Frequency 20.74% 100 Purple 20 71altimedia Library Life Sci 7.6.24 Question Help ▼ The probability that a person with certain symptoms has hepatitis is 0.8. The blood test used to confirm this diagnosis gives positive results for 89% of people with the disease and 5% of those without the disease. What is the probability that an individual who has the symptoms and who reacts positively to the test actually has hepatitis? urchase Options Discussions The probability is (Type an integer or decimal rounded to four decimal places as needed.) Course Tools Enter your answer in the answer box and then click Check Answer. part remaining Clear All Check Answer 8:54 PM A A 40) 12/19/2020 O Type here to search 14 to 4+ to 144 ho insert prt sc esc & 7. 23 %24 backsp 4. 8. 9. 2.Of all the registered automobiles in Colorado, 10% fail the state emissions test. Ten automobiles are selected at random to undergo an emissions test (Round the answer to three decimal places if needed). a. Find the probability that exactly three of them fail the test. b. Find the probability that fewer than three of them fail the test. c. Find the probability that more than two of them fail the test. d. The mean, variance and standard variance of the number of flights arrived on time are respectively ,__________,__________ and____________
