Question
Asked Mar 9, 2020
4 views
he height of women ages​ 20-29 is normally​ distributed, with a mean of
64.9 inches. Assume sigmaσequals=2.6 inches. Are you more likely to randomly select 1 woman with a height less than
67.4 inches or are you more likely to select a sample of 12 women with a mean height less than 67.4
​inches?
 
*Explain is the probability of selecting a sample of 12 women with a mean height less than 67.4 inches?
 
​(Round to four decimal places as​ needed.)
check_circle

Expert Answer

Step 1

Statistics homework question answer, step 1, image 1

Step 2

Statistics homework question answer, step 2, image 1

Statistics homework question answer, step 2, image 2

...

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.

Related Statistics Q&A

Find answers to questions asked by student like you
question_answer

Q: Can you assist me in answering this? (this is not graded but, rather, an excersice conducive to acqu...

A: Click to see the answer

question_answer

Q: question 3

A: From the given diagram, the percentage of shares by females in East Europe and Central Asia is 77%. ...

question_answer

Q: I'm having difficulty with this one!

A: A survival curve is a statistical graph of some group of patients ' survival experience in the form ...

question_answer

Q: A sample of observations is found to have a mean = 55 and s= 3.5 Compute the z-score relative to thi...

A: From the given information, Mean (µ) = 55 Standard deviation (s =σ) = 3.5 Since, sample size is not ...

question_answer

Q: When you perform multiple t-tests, you increase the Type II error rate to higher than an acceptable ...

A: Note: Hi there! Thank you for posting the question. As your question have multiple questions, we hav...

question_answer

Q: Allergic reactions to poison ivy can be miserable. Plant oils cause the reaction. Researchers at All...

A: A random sample of 1000 people with known allergies to poison ivy participated in the study.  For 50...

question_answer

Q: I am confused about how to find this answer.  My calculations are way off from the book and the prof...

A: a)Given α = 0.1, xbar = 137, s = 53.9, n = 50The best point estimate for population mean is nothing ...

question_answer

Q: Giving a test to a group of students, the grades and gender are summarized below   A B C Total ...

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you. ...

question_answer

Q: Peak expiratory flow (PEF) is a measure of a patient’s ability to expel air from the lungs. Patients...

A: Click to see the answer

question_answer

Q: Six sets of identical twins were randomly selected from a population of identical twins. One child w...

A: Note: Hi there! Thank you for posting the question. As your question has more than 3 parts, we have ...

question_answer

Q: There are 2,000 eligible voters in a precinct. 500 of the voters are selected at random and asked to...

A: Click to see the answer

question_answer

Q: Suppose a hypertension trial is mounted and 18 participants are randomly assigned to one of the comp...

A: According to the provided data, there are a total of 18 participants which are randomly assigned to ...

question_answer

Q: Cigarette Consumption Data: A national insurance organization wanted to study the consumption patter...

A: "Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for y...

question_answer

Q: 4. The population in the city of Houston from 1900 to 2010 is given below: Year Population 44,633 78...

A: a. Consider x (year) be the independent variable and y (population) be the dependent variable. Excel...

question_answer

Q: The following data includes the year, make, model, mileage (in thousands of miles) and asking price ...

A: Formula for correlation coefficient: From the given information,

question_answer

Q: The maternity ward at Dr. Jose Fabella Memorial Hospital in Manila in the Philippines is one of the ...

A: Average number of births per day is 57. It follows Poisson distribution:

question_answer

Q: Nonstandard dice can produce interesting distributions of outcomes. You have two balanced, six-sided...

A: Sample space: The set of all possible outcomes of a probability experiment is called sample space of...

question_answer

Q: Can you assist me in answering this? I do not receive results, and it would be helpful to know if I ...

A: Click to see the answer

question_answer

Q: Salaries for teachers in a particular elementary school district are normally distributed with a mea...

A: Consider X be a random variable which follows normal distribution indicates the teacher’s salary. Th...

question_answer

Q: In the effect size formula, what does d stand for and what does m stand for? When considering a t-te...

A: Effect size formula (Cohen’s D): One of the most common ways to measure effect size is Cohen’s D met...

question_answer

Q: Question attached in picture

A: Step-by-step procedure to obtain the KS test using the PSPP software:   In Variable View of Data Ed...

question_answer

Q: Many random number generators allow users to specify the range of the random numbers to be produced....

A: Consider Y be a random variable which follows uniform distribution between the values 0 (a) and 4 (b...

question_answer

Q: Binomial Probability: Assume that when adults with vanilla are randomly selected, 60% use them in co...

A: Click to see the answer

question_answer

Q: The undergraduate grade point averages​ (UGPA) of students taking an admissions test in a recent yea...

A: (a) The minimum UGPA that would still place a student in the top 15% of UGPAs is, Thus, the minimum...

question_answer

Q: Assume that​ women's heights are normally distributed with a mean given by mu equals 62.7 inμ=62.7 i...

A: Given that, Mean= 62.7 inches Standard deviation=1.9 inches

question_answer

Q: Find the indicated probability. The age of professors at a certain university is normally distribute...

A: According to the provided information,

question_answer

Q: Engineers must consider the breadths of heads when designing helmets. The company researchers have d...

A: From the provided information, For head breadths that are in the smallest 3.3%, the corresponding z...

question_answer

Q: For the standard normal curve, identify the z-score that corresponds to the 20thpercentile.

A: The z-value corresponding to 80% or an area of 0.80 is 0.8416 as per z-table.

question_answer

Q: Dr. Moo would like to compute the exact probability of male or female students passing or failing on...

A: Fisher exact test of independence is used to check the nonrandom relationship of the two nominal var...

question_answer

Q: Please explain in DETAIL how to solve this problem, please? (If it is possible to show how to get th...

A: Here, n is the number of observations. Hence, n is 10. The mean is calculated below. The sample sta...

question_answer

Q: The following table was presented in an article summarizing a study to compare a new drug to a stand...

A: Decision Rule:   If p-value ≤ α, then reject the null hypothesis. If p-value > α, then do not rej...

question_answer

Q: X f cf c% 15-19 3 50 100 10-14 6 47 94 5-9 8 41 82 0-4 18 33 66 How can I find X = 18?

A: Click to see the answer

question_answer

Q: Imagine that a population of scores is normally distributed. Two samples are drawn from the populati...

A: Solution: It is given that a population of scores is normally distributed. The two samples are drawn...

question_answer

Q: Can you assist me in answering this? I don't know where to begin. (this is not graded but, rather, a...

A: Given that,    

question_answer

Q: The International Average Salary Income Database provides a comparison of average salaries for vario...

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

question_answer

Q: True or False? If a 95% confidence interval for the difference in two independent means is (2.1 to 4...

A: A confidence interval including 0 means the difference is not significant.

question_answer

Q: 1. Oxnard College reports your GPA on a 4.0 scale. The "4" in the 4.0 GPA scale is equivalent to an ...

A: Click to see the answer

question_answer

Q: Here is a typical statement made by the​ media: "Based on a recent​ study, pennies weigh an average ...

A: Since the statement deals with margin of error, it is necessary to specify the confidence level. Thu...

question_answer

Q: I am asking this question again. It was answered incorrectly again.  Make forecasts using the follow...

A: Click to see the answer

question_answer

Q: There is a 60% chance of getting stuck in traffic when leaving the city. On two separate days, what ...

A: Click to see the answer

question_answer

Q: A counselor predicts that an alpha blocker medication will influence social anxiety.  In patients di...

A: Null hypothesis: µ=36. Alternative hypothesis: µ≠36. This is a two tailed test. Here, the sample mea...

question_answer

Q: Question attached in picture

A: The hypotheses are, H0: The data follows beta distribution. HA: The data do not follow beta distribu...

question_answer

Q: Can you assist me in answering this? (this is not graded but, rather, an excersice conducive to acqu...

A: From the given information, Mean of the sampling distribution:

question_answer

Q: A “common sense” test is specified so that scores are normally distributed with a mean of 100 and a ...

A: The normal distribution: A continuous random variable X is said to follow normal distribution with m...

question_answer

Q: Recent results suggest that children with ADHD tend to watch more TV than children who are not diagn...

A: Click to see the answer

question_answer

Q: The average student loan debt for college graduates is $25,000. Suppose that that distribution is no...

A: Solution: It is given here: The average student loan debt for college graduates is $25,000. Also, th...

question_answer

Q: Biologists studying horseshoe crabs want to estimate the percent of crabs in a certain area that are...

A: This is one - sample z-interval for a sample proportion since there is only 1 random sample of crabs...

question_answer

Q: Company XYZ know that replacement times for the quartz time pieces it produces are normally distribu...

A: Click to see the answer

question_answer

Q: could you answer 4,5&6 please

A: Standard normal distribution: The standard normal distribution is a special case of the normal distr...

question_answer

Q: Instructor-created question E Question Help Course Note Packet Chapter 9 Page 8 and 10 How do profes...

A: The null and the alternative hypotheses are, H0: p=0.55 (The proportion of all site members who enga...