Question

could you help me solve these examples? given a=3 and b=4 and the chart

Tagged in

Math

Statistics

Find answers to questions asked by students like you.

Q: Births in the United States In the United States, the true probability of a baby being a boy is 0.51...

A: Given:Probability of baby being a boy = 0.512Number of births selected n = 5We have to find probabil...

Q: Doughnuts and Fat. A classic study, conducted in 1935 by B. Lowe at the Iowa Agriculture Experiment ...

A: A randomised design is a type of statistical design where the treeatments are assigned completely at...

Q: YSORT Gender Selection MicroSort’s YSORT gender-selection technique is designed to increase the like...

A: Let event A denotes that the birth resulted is a baby boy by using MicroSort’s YSORT gender selectio...

Q: If you sum the probabilities of the possible values of a discrete random variable, the result always...

A: The requirements for a discrete probability distribution are,

Q: Suppose that a random sample of size 1 is to be taken from a finite population of size N. a. How man...

A: (a)Justification:When the sample size is 1 then the samples that are possible to drawn without repla...

Q: What kind of plot is useful for deciding whether it is reasonable to find a regression plane for a s...

A: Scatterplot matrix:A scatterplot matrix is an array or a collection of scatterplots, consisting of a...

Q: Significance with Range Rule of Thumb. In Exercises 29 and 30, assume that different groups of coupl...

A: (a)

Q: Sample for a Poll There are 15,524,971 adults in Florida. If The Gallup organization randomly select...

A: The selections independent or dependent is obtained below: It is given that there are 15,524,971 ad...

Q: In Exercises, X denotes a binomial random variable with parameters n and p. For each exercise, indic...

A: Continuity correction:The binomial probability is converted to a normal distribution probability by ...

Q: A variable is normally distributed with mean 10 and standard deviation 3. a. Determine and interpret...

A: Hey, since there are multiple subparts posted, we will answer first three subparts. If you want any ...

Q: Powerball As of this writing, the Powerball lottery is run in 44 states. Winning the jackpot require...

A: The number of ways to selecting five numbers between 1 and 52 is,

Q: Aquantitative data set has been grouped by using cutpoint grouping with equal-width classes of width...

A: (a)Justification:Cut-point grouping:A grouping method is similar to limit value grouping with the sl...

Q: The given data represent the total compensation for 10 randomly selected CEOs and their company's st...

A: The regression equation is obtained by using EXCEL. The software procedure is given below:In Excel s...

Q: In each part, find the area under the standard normal curve that lies between the specied z-scores, ...

A: a)The area under the standard normal curve that lies between –1 and 1 represents the area to the rig...

Q: The mean height of men in the U.S. is 69.1 inches with a standard deviation of 2.9 inches. Assumetha...

A: It is given that the mean is 69.1 and standard deviation is 2.9.

Q: Gender-Selection Method As of this writing, the latest results available from the Microsort YSORT me...

A: Answers will vary. One of the possible answers is given below:Step-by-step software procedure to gen...

Q: Testing Claims about Proportions. In Exercises, test the given claim. Identify the null hypothesis, ...

A: In this case, the preceding Exercise is considered as follows:

Q: A and B are events such that P(A) = 0.4 and P(B| A) = 0.7. Find P(A&B).

A: The formula for dependent event P (A and B) is given below:

Q: ATM Pin Numbers A thief steals an ATM card and must randomly guess the correct pin code that consist...

A: Click to see the answer

Q: Job Applicants The Society for Human Resource Management conducted a survey of 347 human resource pr...

A: (a)Here, the number of respondents or the human resource professionals are 347 and 73% reported that...

Q: Vision Correction About 75% of the U.S. population uses some type of vision correction (such as glas...

A: a.It is given that 75% of the U. S. population uses some type of vision correction.The probability t...

Q: Standard Tests Standard tests, such as the SAT or ACT or MCAT, tend to make extensive use of multipl...

A: Solution: We are given:Standard tests, such as the SAT or ACT or MCAT, tend to make extensive use of...

Q: The following data represents the age of 30 lottery winners. 24 29 31 32 34 34 38 40 41 42 44...

A: Click to see the answer

Q: Notation What does the notation za indicate?

A: Click to see the answer

Q: A cohort study is conducted to assess the association between clinical characteristics and the risk ...

A: Note:The value of Stroke and Hypertensive is considered as 20, so that the required answer can be ob...

Q: Specify the mathematical symbol used for each of the following descriptive measures. a. Sample meanb...

A: a)

Q: What does it mean for two or more events to be mutually exclusive?

A: Mutually exclusive eventsTwo events are said to be mutually exclusive if they have no element in com...

Q: In Exercises 21–24, assume that when adults with smartphones are randomly selected, 54% use them in ...

A: Given:Probability of using smartphone in meetings or classes = 0.54Number of selecting adult smartph...

Q: What is a density curve?

A: Density Curve:If smooth curve identifies the shape of the distribution for a variable then it is sai...

Q: Regarding analysis of residuals, decide in each case which assumption for regression inferences may ...

A: a.An important property of the residual plot against the predicted values:A residual plot drawn agai...

Q: VerbalGREScores. The Graduate Record Examination (GRE) is a standardized test that students usually ...

A: a.The 25th percentile is which is first quartile can be calculated as:Area corresponding to z score ...

Q: In Exercises, X denotes a binomial random variable with parameters n and p. For each exercise, indic...

A: From the given information,consider, X be a binaomial random variable with parameers n and p that is...

Q: For a qualitative data set, what is a a. frequency distribution?b. relative-frequency distribution?

A: Click to see the answer

Q: A,B, and C are mutually exclusive events such that P(A) = 0.2,P(B) = 0.6, and P(C) = 0.1. Find P(A o...

A: The formula for P(A or B or C) is given below:

Q: In Exercises, X denotes a binomial random variable with parameters n and p. For each exercise, indic...

A: Any binomial distirbution with value of np ≥ 5 and n(1-p) ≥ 5 can be approximated into normal distri...

Q: Use the Poisson distribution to find the indicated probabilities World War II Bombs In Exercise we n...

A: Since you have asked multiple questions, we will solve the first question for you. If you want any s...

Q: Testing Claims About Proportions. In Exercises 9–32, test the given claim. Identify the null hypothe...

A: Denote the x as the number of specified characteristics, the hypothesized proportion as p and the sa...

Q: Use the Poisson distribution to find the indicated probabilities Disease Cluster Neuroblastoma, a ra...

A: a)Mean of Poisson distribution:The formula is given by,

Q: Ultimate Binomial Exercises! Exercises 37–40 involve finding binomial probabilities, finding paramet...

A: Note:Hey, since there are multiple sub-part questions posted, we will answer first three sub-part qu...

Q: Leisure Activities and Dementia. An article appearing in the Los Angeles Times discussed the study “...

A: Justification:Observational study:The investigators may simply observe a predefined set of individua...

Q: 10. For the following set of scores, 3 4 2 3 a. Compute the Pearson correlation. b. Add two points t...

A: Correlation coefficient - r:The Karl Pearson’s product-moment correlation coefficient or simply, the...

Q: What plots did we use in this module to decide whether it is reasonable to presume that assumptions ...

A: The residual plots are useful to decide if the assumptions for multiple linear regression inferences...

Q: State the two basic properties of every density curve.

A: A density curve is a smooth curve, used to identify the shape of the distribution.It represents the ...

Q: Simulating the Monty Hall Problem A problem that once attracted much attention is the Monty Hall pro...

A: Answers will vary. One of the possible answers is given below:Each simulation is performed by follow...

Q: A variable is normally distributed with mean 68 and standard deviation 10. Find the percentage of al...

A: a.So, From Standard Normal Table, area corresponding to 0.5 is 0.69146.

Q: What is the contrapositive of p-->

A: Click to see the answer

Q: Draw a smooth curve that represents a symmetric trimodal (three-peak) distribution.

A: Justification:Symmetric distribution:When the left and right sides of the distribution are approxima...

A: Continuity correction:The binomial probability is converted to a normal distribution probability by ...