Refer to the following distribution of commissions: Monthly commissions $600 to under $800 Class Frequencies 31 800 to under 1,000 1,000 to under 1,200 1,200 to under 1,400 1,400 to under 1,600 11 22 40 1,600 to under 1,800 24 1,800 to under 2,000 9. 2,000 to under 2,200 4 What is the relative frequency for those salespersons that earn between $1.600 and $1,799? Multiple Choice 2% 2.4%

Q: What is the selection of a subset of a population where each element has an equal chance of being…

A: here use basic of sampling method

Q: What does my output say about the chi square results  was it done correctly

A: Given that  From the given output  We have to draw the conclusion :

Q: What's the probability that you made a Type I error? There is no Type I Error Half a percent OA…

A: Given Information: BMI of a five year old girl is 15.  That is, the hypothesized value of population…

Q: 3. From their individual interview, Marcela claims that no more than 5% of the garments she sewed…

A: From the given information, Marcella claims that no more than 5% of the garments she sewed did not…

Q: Let X1, X2,...,X3 denote a random sample from a population having mean u and variance o2. 302 Which…

A:

Q: To determine the effects, researchers measured the LDL levels of 36 randomly selected men and 41…

A: Solution-: Given:               For women:n1=41,x1¯=15.4,σ1=1.9  and  For men: n2=36,x2¯=13.3,σ2=1.3…

Q: uppose the exam for this unit was written with the assumption that the average should have been a…

A: Given that  The data values are normally distributed. Data : 87  55  72  52   85  106  61  77 Number…

Q: 25. Suppose X is a random variable distributed with mean u and standard deviation a > 0. If the…

A:

Q: 5. The average cell phone lifespan, according to a new research, is 24.3 months. It takes 2.6 months…

A:

Q: You are a senior in the agricultural sciences department of NCSU doing an internship at a local…

A:

Q: What are any measurable characteristics of population?    a. Sample   b. Population   c. Parameter

A: The measurable characteristics of population is known as parameter.

Q: Complete the following table and use it calculate the probabilities given below. BC Total A 0.443…

A: As per our guidelines we can solve first three sub part of question and rest can be reposted.…

Q: The manufacturer of running shoes conducted a study on its newly developed jogging shoe. Listed are…

A: Given that  Types of nonconformity  Count Heel separation  92 Sole penetration 62 Sole…

Q: (a) Show that e-x² dx = JT, and deduce that 1 exp { (x - )2 202 f(x) = -00 0. Provide a detailed…

A:

Q: I. DIRECTIONS: Compute for the degree freedom of the given data 1) n 26 df: 3) n 18 df = 2) n = 21 =…

A: we know that degrees of freedom(df)=n-1

Q: Activity: Problem Solving. Read and analyze the given problem then answer the following questions.…

A: Note: According to Bartleby guidelines, we can answer only first question with their three…

Q: Each of 150 newly manufactured items is examined and the number of scratches per item is recorded…

A: Let X be the discrete random variable and it said to follows the Poisson distribution with mean λ.…

Q: f two variables are correlated, does that mean that they are causally linked? Explain.

A: Correlation is used to find the relationship between two quantitative variables. As the correlation…

Q: Find the range for the group of data items.   2​, 2​, 4​, 4​, 6

A: Data given 2​, 2​, 4​, 4​, 6​

Q: Suppose a random sample of 9 vehicles are observed making turns. a) Find the probability that more…

A:

Q: 3. The following are the lengths of bolts, in centimeters, produced by a machine: 19.63 20.80 19.54…

A: Confidence interval are used to measure the range where the parameter exist. It is calculated by the…

Q: What sample size should you gather to achieve a 0.7 hour margin of error?

A: here given , population standard deviation  = 4.2 hour  confidence level = 99% MOE  = 0.7

Q: ng the number of enre ay Tuesday Wednes 10 20

A: The explanation is given as,

Q: In a classification setting the primary objective should always be to achieve the lowest possible…

A: To categorization any experiment, our goal is always be to achieve the lowest possible error rate or…

Q: Fifteen part-time Medical Representative in a certain drug company have the following commission (in…

A: Given:- average and standard deviation of their commissions are 20,860 and 6.168 respectively.

Q: Subject 1st 2nd #1 10 11 #2 4 6 #3 7 9 #4 6 5   a. Calculate the mean difference. b. Calculate SS…

A:

Q: The average amount of time it takes for couples to further communicate with each other after their…

A:

Q: A sample of n = 24 data values randomly selected from a normally distributed population has variance…

A:

Q: Due to the increasing cases of malnutrition among toddlers in certain barangay, a group of…

A: Before X1 After X2 Difference X1-X2 10 14 -4 11.5 13.5 -2 9 13 -4 8.75 11 -2.25 10…

Q: The manager of the purchasing department of a large saving and loan organization would like to…

A: From the given data  t-test statistic = ?

Q: A. Find a 98% confidence interval for the proportion of heads in the experiment. B. Is there a…

A: here given ,  sample size  = n = 15000  x = no of heads  = 7515 here p^ =  751515000 = 0.501

Q: The NULL HYPOTHESIS in a Chi-Square test for multiple proportions assumes which of the following A…

A: Null and alternative hypotheses: Null hypothesis: Null hypothesis is a statement which is tested for…

Q: The next four questions refer to the following scenario: A bank collected data of all its customers.…

A: Given Information: Good Credit: x¯=500 σ=75 Bad Credit: x¯=300 σ=75

Q: 2. The data shown in the table represent the completion time (in minutes) of exams taken by two…

A:

Q: In a survey, 10 people were asked how much they spent on their child's last birthday gift. The…

A: Solution-: Given: n=10, x ¯=46, s=14, c=0.98 We find, Point estimate =? Margin of error=?

Q: have training courses is 555 with standard deviation of 139. Brain Philippine (BP) offers expensive…

A: Given Population mean μ=555, n=sample size=30, sample mean x̄=560, level of significance ɑ=0.05

Q: 3. For logistic regression with a single predictor, logit (7(x)) = Bo + B1r (a) Derive the formula…

A: a) From the given information, logitπx=β0+β1x That is, logitπx=β0+β1xlogπx1-πx=β0+β1x Consider,…

Q: (d) Would it be unusual for a random sample of 900 adults to result in 144 or fewer who do not own a…

A:

Q: State Farm Insurance studies show that in Colorado, 65% of the auto insurance claims submitted for…

A: Let there are n trials and each having two outcomes - Success and Failure. The trials are…

Q: 6. In year 2022 a random sample of 35 households in Ottawa found that the average annual internet…

A: The random variable annual internet service cost per household follows normal distribution. We have…

Q: Answer: What is the null distribution of the test statistic? Select one O a. AT distribution with 35…

A:

Q: An auto insurance company classifies each motorist as "high risk" if the motorist has had at least…

A: Given that

Q: The patient recovery time from a particular surgical procedure is normally distributed with a mean…

A:

Q: In a classification setting the primary objective should always be to achieve the lowest possible…

A: True, in a categorization scenario, the main goal should always be to achieve the lowest possible…

Q: In a survey, 30 people were asked how much they spent on their last shopping trip. The results wer…

A:

Q: The student government claims that 85% of all students favor an increase in student fees to buy…

A: Givenp=0.85n=12Let "x" be the no. students produced in favour of the…

Q: Which statement is true? If tou rejected the null hypohesis at alpha

A: A hypothesis testing can be performed either by p-value method or the critical value method.

Q: School year 2019-2020 in Cabancalan National High School, 6 days were allotted for the enrolment of…

A: Given,

Q: For each of the following statements, indicate whether you believe the statement is true or false.…

A: Correlation measures linear strength between two variables X and Y

Q: This graph is from a study evaluating an opioid drug and gender on pain levels. Which of the…

A: Interaction effect means the effect of one independent variable on the other dependent variable…