3.52. How many telephone mobile numbers are composed of nine digits such that: (c) each successive digit of this number is 1 less than the preceding digit (d) the first, third, fifth, seventh and ninth digits are the same and are odd numbers, while the remaining digits are different even numbers?

Q: 49. The following are the daily wages in rupees of 30 workers of a firm : 262 340 277 299 303 308…

A:

Q: According to a census company, 7.1% of all babies bon are of low birth weight. An obstetrician…

A: H0 : p = 0.071 H1 : p > 0.071   Observed value of low birth = 28 Observed value of not low birth…

Q: 2. The number of absentees in Stat 212 class was recorded in a particular week. Represent this data…

A: Days Mon Tues Wed Thurs Fri Sat Number of absentees 5 15 4 20 35 50

Q: 2. How many female rabbits are required in the population for at least 13 offspring (R) to survive?

A: Given that R=13 Find F? R=3+(350F)/(F+625)

Q: The Department of Mathematics of a certain university in a recent survey was found to consist of 80…

A: Given data 80 faculty members 40 male professors, so 40 female professors Total married professors =…

Q: 21 10. The past records of a factory using quality control methods show that on the average 1…

A: We have been provide that on average 4 items are defective out of a batch of 100 which mean ,…

Q: According to the US Dept of Transportation, 70% of car accidents occur within 25 miles of a driver's…

A: Note: Hi there! Thank you for posting the question. As there are several independent questions,…

Q: An industrial engineer collected data on the labor time required to produce an order of automobile…

A: Given n=52, ∑i=1nxi=242425=96.96 and ∑i=1nxi2=39331151=260.47 Assume that the population is normal.

Q: In how many ways can be the 'AEE315' so that vowels always come togather?

A: The word 'AEE315' contains 6 different characters. When the vowels EE are always together, they can…

Q: The following is the list of the number of hours that 30 people watch TV per week: 3 7 2 16 7 11 34…

A: The given data is: 3,13,10,7,20,4,2,4,26,16,3,13,7,41,6,11,27,23,34,6,4,40,19,29,9,37,30,22,0,5

Q: 2. The following are the speeds (in km per hour) at which every fifth passenger car was timed at a…

A: Given: The data of speeds (in km per hour) at which every fifth passenger car was timed at a certain…

Q: A2. a. A company decided to distribute 5 identical computers among its employees. In how many…

A: Note: Hi there! Thank you for posting the question. As you have posted multiple questions, as per…

Q: In the "before and after" specification with n=1,500 individuals and 3 regressors:

A: d. including 1 dummy variable for the second time period and 1499 individual effects as binary…

Q: 3. The manufacturer of a patent medicine claimed that it was at least 90% effective in relieving…

A: Null hypothesis states there is no statistical relationship between the two variables. Alternative…

Q: Suppose a company charges a premium of $150 per year for an insurance policy for storm damage to…

A: Solution Determine the probability of a composition shingle roof claim out of 10,000 = 7/10000 =…

Q: A 6-foot sub valued at $60 is divided among five players (P1, P2, P3, P4, P5) using the last…

A: The last diminisher method is used to assign the data in an order by pulling out something. It is…

Q: 2.122 Electrical, chemical, industrial, and mechani- cal engineering curricula were studied. It was…

A: Consider the following events. A: Some statistics is taken B: Electrical and industrial engineers C:…

Q: According to a census company, 7.1% of all babies born are of low birth weight. An obstetrician…

A: Here we conduct Z test for proprtion.

Q: d. Between 1 and 9 (including 1 and 9) of them live in poverty.

A: We have given the following information Population proportion = 0.08 Sample = 50

Q: 3. A light bulb manufacturer has developed a new light bulb that is claimed to have an avera than…

A: Null Hypothesis The hypothesis formulated for the sake if rejecting it, under the assumption that it…

Q: lo test for any significant difference in the number of hours between breakdowns for four machines,…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: 7. How many planned to do at most ane of these activities?

A:

Q: 2. What is the size of the observed difference between the means for Groups A and C? (Subtract the…

A: It is given that Mean for group A = 2.000 Mean for group B = 2.250 Mean for group C = 6.500

Q: 10% of the people admitted to a hospital go into Intensive Care, with the remainder staying on a…

A: Let the total number of people admitted to the hospital be x .                Disclaimer: Since you…

Q: An education researcher claims that at most 4% of working college students are employed as teachers…

A: Here one proportion Z test is applicable , Where , n = 400 given

Q: How many times must a jogger run around circular 1/4 - mile track in order to have run 3 1/2 miles ?

A: To find the number of times that a jogger must run

Q: 1. From the community hospital and clinics around a city , the ages of dentists , nurses and…

A: We have to perform ANOVA for the given data.

Q: 25% of _____ = 10

A: Let 25% of x is 10

Q: According to a census company, 7.1% of all babies born are of low birth weight. An obstetrician…

A: Given: Part a: The expected number of low-birth weight births to 35 to 39 year old mother is, n × p…

Q: Nearly 75% of all deaths in USA are attributed to just 10 causes, with the top tour of these…

A: The total proportion of any distribution is 1.

Q: The table below shows the 2012 populations of five countries that are among the ten most populated…

A: Given population of five countries we need to find relationship between the value of the digit 8 in…

Q: 3. In a survey, out of 255 respondents organized by the City Hall this year, 200 reported that they…

A: Given  X=200, n=255,  p^=X/n  ɑ=0.05

Q: A 6-foot sub valued at $25 is divided among five players (P1, P2, P3, P4, P5) using the last…

A: Since, fair share = (Price of sub)/number of players Then, fair share = 25/5 = $5 And, P1 cuts the…

Q: 4) Compute the p-value, and use it to assess the company's claim.

A:

Q: Suppose the proportion of all college students who have used marijuana in the past 6 months is p =…

A: The proportion of the students used marijuana in the past 6 months is, p = 0.40 The objective is to…

Q: s that in a certain month, 33.1% of the labor force had a high school diploma or fewer years of…

A: Given: Let H denote high school diploma or less S denote some college or associate's degree B…

Q: rvey of 10 young adults with credit card debt of more than $2,000 showed they id an average of just…

A: a). First, we will calculate the mean. The formula and calculations for the mean is as follows:…

Q: 3-21. Out of a total number of 1,807 women who were interviewed for employment. in a Pextile factory…

A:

Q: 1. The following are descriptive statistics EXCEPT * 25% of those who took the licensure exam for…

A: First of all let's see what are the descriptive statistics.Descriptive statistics are brief…

Q: Assuming that workers' salaries in your company are uniformly distributed between $10,000 and…

A: Given Data: Let X represent workers' salaries in your company.   X~ Uniform (10000, 50000)   Let y…

Q: examine the relationship between narcissism and social media, she recruits users of three different…

A: a.

Q: The weight in kilograms of 3 groups of 5 each are shown in the table. Is there unusual variation…

A: Here we will use One-Way ANOVA for testing the unusual variation among the groups. Null Hypothesis,…

Q: 1. The table below gives the thousands of commuters in Massachusetts in 2015 by transportation…

A: Step 1: Suppose that we have two events A and B. Then the two events are independent if the…

Q: The academic planner of a university thinks that at least 34% of the entire student body attends…

A: Given: p= 0.34 Need to find null and alternative hypothesis.

Q: Find the number of ways in which any 3 of 40 students can be ranked fırst, second, and third…

A:

Q: We wish to demonstrate that the average time to graduate from Tulane is affected by the students…

A: We are interested in testing that if mean1 is at most 0.25 year more than mean 2 and for that we…

Q: Compute for the x-scores of the following:    z = -2.44, μ = 102.63, and σ = 35

A: Normal distribution is a continuous distribution that has so many real-life applications. The…

Q: 1. Create a table that counts from 0-100 in intervals of 18.

A: According to the given information, it is required to make a table that counts from 0 to 100 in the…

Q: One common system of computing the grade point average (GPA) assigns 4 points to an A, 3 points to a…

A: The total number of points is obtained as follows: