Statistics question and answers for December 23, 2023
- Q 92 What is the probability that a phone will fail within two years of the date of purchase a 0 8647 b 0 4866 c 0 2212 d 0 9997
- Q 92 A student takes a 10 question true false quiz but did not study and randomly guesses each answer Find the probability that the student passes the quiz with a...
- Q 18 Evaluate the expressions in the first column and match them with their corresponding simplified forms a 2b4c a 5f6 26 b 4a 3a 26 3 2a 6 3 DRAG...
- Q Solve each equation 72 3 2 5 6
- Q 2 Which expression is equivalent to 21 A B D 1 1 I 27
- Q Simplify the radical Give the exact answer in simplified radical form 27
- Q Graph x 6 O UND
- Q 3 2 x 17 A 34 B 19 19 D 34
- Q 26 Factory A produces 4 6 10 bolts a year and Factory B produces 6 3 10 bolts a year a What is the total number of bolts produced by...
- Q Solve the equation for x You can use fraction busters to help you remember the LCM HIN 56 43
- Q a b 1 Which of the following expressions are equivalent to 5 None of the above 5 4 5 5 Part B Consider the following equation 13 13 13 67...
- Q Solve 3 7 11 AM 1 BV 2 6 D D x 2
- Q Solve the following expression Select all that apply t 3 15 At 3 45 B42 C 45 D9 3
- Q 17 Hint s 1 1 Solve for x 3x 4 9z 3 A B D 3 C3 None of the above HIDENT
- Q 29 Graph the solution to the following inequality 38 k 5 2k 40 39 38 37 36 ECT 35 34 O UNDO 33 REDO 32 RESET 31 REMOV 34
- Q What is the solution to the inequality 3 2x 1 4z 2 1 B H 1212 2 212 2
- Q 24 Divide the following expression and write the result as a whole number 7 90 x 10 2 1 0 x 10 5
- Q Simplify the Radical 215 15 A B 4x 15 6x 0 10 615 10 D 60
- Q 23 What is the solution to 3x 30 10 2x 5x 2 6 2 9 2 18
- Q 7 Express this product in scientific notation 11 10 12 10 A 13 2 x 1025 B 132 x 10 5 1 32 x 10 3 1 32 x 10...
- Q 2 Select an expression that is equivalent to 38 A 34 B36 31 D 33
- Q ABC Corp transfers an instrument to Wilson Inc An employee at ABC Corp alters the amount on the note to 24 200 from 12 000 before selling it to Wilson...
- Q Solve the following linear equation for x 5x 2 x 9 3x 10
- Q Suppose that the probability that a passenger will miss a flight is 0 0948 Airlines do not like flights with empty seats but it is also not desirable to have...
- Q Suppose that a recent poll found that 42 of adults believe that the overall state of moral values is poor Complete parts a through c a For 300 randomly selected...
- Q According to flightstats com American Airlines flights from Dallas to Chicago are on time 80 of the time Suppose 20 flights are randomly selected and the number of on time...
- Q According to a study done by Nick Wilson of Otago University Wellington the probability a randomly selected individual will not cover his or her mouth when sneezing is 0 267...
- Q A market researcher is studying the spending habits of people across age groups The amount of money spent by each individual is classified by spending category Dining out Shopping or...
- Q 5 The number of customers entering a store each day over the course of 30 days is summarized by the frequency histogram below Frequency 12 10 8 2 0 0...
- Q below Academic Subject Biology English History Mathematics What percentage of students selected mathematics Enter your answer as a decimal and round to two decimal places Answer Frequency 3 8 4...
- Q 9 The number of responses to a survey are shown in the Pareto chart The survey asked 985 adults how they would grade the quality of their public schools Each...
- Q 1 The personnel department of a large corporation wants to estimate the family dental expenses of its employees A random sample of 12 employees reveals the following family dental expenses...
- Q The graph of the discrete probability to the right represents the number of live births by a mother 40 to 43 years old who had a live birth in 2015...
- Q K right the random variable represents the number of marriages an individual aged 15 years or older has been involved in Complete parts a through f below Graph the probability...
- Q Q6 School A has mean grade of 80 on an entrance exam with s 5 School B has a mean grade of 70 with s 10 The scores in each...
- Q In the probability distribution to the right the random variable X represents the number of marriages an individual aged 15 years or older has been involved in Complete parts a...
- Q The following data represent the number of otholes on 35 randomly selected 1 mile tretches of highway around a particular city Complete parts a through g below Number of Potholes...
- Q The following data represent the number of potholes on 35 randomly selected 1 mile stretches of highway around a particular city Complete parts a through g below Number of Potholes...
- Q Determine whether the random variable is discrete or continuous In each case state the possible values of the random variable a The number of light bulbs that burn out in...
- Q What are the two requirements for a discrete probability distribution Choose the correct answer below Select all that apply A OSP x 1 B 0 P x 1 C P...
- Q 61 randomly selected students were asked the number of pairs of shoes they have Let X represent the number of pairs of shoes The results are as follows of Pairs...
- Q Q7 A frequency distribution of temperatures in Celsius C is presented below Calculate the mean mode and variance for these data Temperature Range 30 39 20 29 10 19 00...
- Q Calculate the standard deviation of the sample data shown to two decimal places X 5 8 11 9 4 19 7 5 7 29 9 29 6
- Q Calculate the 5th percentile of the data shown X 1 6 14 8 19 4 20 2 21 4 23 1 23 2 23 3 27 7 28 7
- Q Approximately 27 of American adults do not own a credit card A random sample of 500 adults is asked Do you own a credit card Describe the sampling distribution of...
- Q The lengths of adult males hands are normally distributed with mean 195 mm and standard deviation is 7 3 mm Suppose that 48 individuals are randomly chosen Round all answers...
- Q Q8 The chances are 3 out of 4 that the weather tomorrow will be like the weather today Today is Sunday and is a sunny day a What is the...
- Q The average production cost for major movies is 58 million dollars and the standard deviation is 19 million dollars Assume the production cost distribution is normal Suppose that 8 randomly...
- Q A retirement confidence survey of 1000 workers and retirees in the united states 25 years of age and older conducted by Employee Benefit Research Institute in January 2014 found that...
- Q 6 x 1 2 x 5 A
- Q 6 2x 5 3x 10
- Q 3 5 x 8 7 23
- Q 5 4x 6 6x 20 A
- Q 10 3x 2 4x 2 2 6x 1 S
- Q 3 x 1 11 2 x 13
- Q 5x 7 x 1 9 A IT
- Q Directions Solve graph and express the following inequalities in interval notation GRAPH INTERVAL NOTATION SOLVE 1 3x 12 6x 9
- Q 7 2 x 3 5x 9x 14
- Q x 5x 6 12 A
- Q 11 The table below shows the results of a survey that asked 1051 adults from a certain country if they would support a change in their country s flag A...
- Q 10 The table below shows the number of male and female students enrolled in nursing at a university for a certain semester A student is selected at random Complete parts...
- Q The amount of syrup that people put on their pancakes is normally distributed with mean 62 mL and standard deviation 11 mL Suppose that 40 randomly selected people are observed...
- Q The lengths of pregnancies in a small rural village are normally distributed with a mean of 268 days and a standard deviation of 17 days In what range would you...
- Q e 11 01 23 Course PROB STAT W APPS HON Martinez S1 2023 2024 The number of responses to a survey are shown in the Pareto chart The survey asked...
- Q Question 4 of 14 4 A coin is tossed 1300 times and tails is observed in 702 of the tosses What is the empirical probability of heads Answer Previous Answer...
- Q stal plasma volume is important in determining the required plasma component in blood replacement therapy for a person undergoing surgery Plasma volume is influenced by the overall health and physical...
- Q At wind speeds above 1000 centimeters per second cm sec significant sand moving events begin to occur Wind speeds below 1000 cm sec deposit sand and wind speeds above 1000...
- Q The boxplot below shows salaries for Construction workers and Teachers Construction Teacher 20 25 30 35 40 Salary thousands of O Markos Jennie 45 50 Jennie makes the median salary...
- Q for 19 weeks and hired temporary help for 10 weeks During 6 weeks the company paid overtime and hired temporary help Complete parts a and b below a Are the...
- Q of Siblings 0 1 2 3 4 Frequency 6 8 6 7 The mean is Round all your answers to 4 decimal places where possible The median is The sample...
- Q A BIU A Cheaters scope of inference Exercise 1 5 introduces a study where researchers studying the relationship between honesty age and self control conducted an experiment on 160 children...
- Q The boxplot below shows salaries for CPAS and Actuaries in a town CPA T Actuary 30 40 50 60 70 Salary thousands of H 80 90 100 If a person...
- Q Suppose that the duration of a particular type of criminal trial is known to be normally distributed with a mean of 15 days and a standard deviation of 6 days...
- Q 1 1 Migraine and Acupuncture A migraine is a particularly painful type of headache which patients sometimes wish to treat with acupuncture To determine whether acupuncture relieves migraine pain researchers...
- Q 081 can For each situation determine which variable is the independent variable and which variable is the dependent variable A Your high school s basketball team which won 20 games...
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