The following table shows age distribution of persons in a particular region: No. of persons (in thousands) Age (years) Below 10 2 Below20 5 Below30 Below 40 12 Below 50 14 Below 60 15 Below 70 15.5 Below 80 15.6 Find the median age.

Q: In a business, the Chief Executive Officer wants to know if his workers are for or against mandatory...

A: Given:     Managers Team leaders Employees Total Approve 17 22 15 54 Against 34 25 14 73 N...

Q: Theorem 3-5. If B cA, then (i) P(AnB ) = P(A) – P(B), (ii) P(B)<P(A)

A:

Q: In a study of 44 patients at a rural hospital, there were 9 females in the ICU, 6 females in the Sur...

A:

Q: SIMPLE convenience store is arranging a promotion plan for the next season. The marketing team wants...

A: Since you have posted a question with multiple sub-parts, as per our guidelines, we have provided an...

Q: A. Find each of the following percentile points under the normal curve. Complete your procedures and...

A:

Q: Consider a random sample X1, . .. , Xn with n > 3 from the exponential distribution with parameter >...

A: A continuous random variable X is said to have an Exponential  λ distribution and has probability de...

Q: n independent and identically distributed observations are drawn from a uniform distribution, R(0,θ)...

A: Solution:  

Q: The following time series shows the sales of supermarket chain over the last six months.  Month Sa...

A: Given the sales of supermarket chain over the last six months as Month Sales ($ 000) Augus...

Q: 1. make a survey report of the number of students per section from grades 7-9 2. create a sampling d...

A: The sampling distribution is the distribution of the means of the samples. The mean of the sampling ...

Q: If we could not measure the population mean, we could use the sample mean as a point estimator of th...

A: Given :  The sample mean as a point estimator of the population mean. We need to ensure we have rand...

Q: Leni wants to buy alcohol online. If she saw online the following information: - Brand A Alcohol, 50...

A: The price of the two brand of alcohol is given as: Brand A, 50mL = Php 29.75, Brand B, 250mL = Php 4...

Q: Determine whether each situation is a discrete (D) or continuous random variable (C). Write your ans...

A: A continuous variable is a variable that takes on any value within the limits of the variable. A Dis...

Q: The piston diameter of a certain hand pump is 0.8 inch. The manager determines that the diameters ar...

A: Given that Sample size n = 26 Sample SD = 0.0035 Level of significance = 0.10 Test is that whether t...

Q: 1. The histogram shows the distribution of self reported numbers of hours of watching TV per weekend...

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

Q: 8. 丁Y 40 30 min 207 10- 8- -4 4 -3 -- -40 .- -50 ebra

A:

Q: In an examination at which 500 candidates appeared, boys outnumbered girls by 14 per cent of all can...

A:

Q: community in new york has 96 homes it is believed that 75% of these homes are uo to date with paying...

A: We have given that  Sample size n =50 Favorable cases x=31 Sample proportion p^=x/n  =31/50 =0.62  

Q: Find class boundaries, midpoint, and width for the class.  59-65

A: Given class: 59-65

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

A:

Q: 63. Consider three investments. You are given thefollowing means, standard deviations, and correlati...

A: Portfolio variance is a measurement of risk, of how the aggregate actual returns of a set of securit...

Q: T10.11. Researchers wondered whether maintaining a patient's body temperature close to normal by hea...

A: From the given information we find the solution.

Q: The nine measurements that follow are furnace temperatures recorded on successive batches in a semic...

A: Given

Q: I need help asap! 2) Create Pivot Tables in EXCEL to answer the following questions: a. What is the...

A: "Since you have posted a question with multiple subparts, we will solve first 3 sub-parts for you. T...

Q: Waiting times (in minutes) of customers at a bank where all customers enter a single waiting line an...

A: Solution

Q: Given the stem-and-leaf diagram. Answer the following questions: • The total frequency all stems • O...

A: The stem and leaf plot of a data set depicts the distribution of data and summarizes the data in a c...

Q: Investor in Australian Stock Exchange (ASX) tells, he predicts that there is a 60% probability that ...

A:

Q: 5. The following table lists the midterm and final exam scores for seven students in a statistics cl...

A:

Q: City Population Land Area Density (people per km?) (km²) New York 8 550 405 783.8 Shanghai 24 256 80...

A:

Q: . What is the probability that in the time interval [0,200 hours] colour "red" is visible if it is k...

A: here given, In a set of traffic lights, the colour "red"(as well as green and yellow) is indicated b...

Q: conditions of both the districts with reference to these two causes of death. Assume The following a...

A:

Q: Statistics Question

A: Given: P-Value = 0.058 α=0.05

Q: Apartment renting is one of the most affected business due to Covid Pandemic. It shows a reasonable ...

A: Given that n=49 , alpha =0.05 ,x bar = 280 , sigma = 40 ,mu =295 Carry out hypothesis test to determ...

Q: a. What type of research design was used by the researchers? b. For each variable, identify the foll...

A: Since you have posted a question with multiple subparts, we will solve first three subparts for you....

Q: Assume that the readings at freezing on a batch of thermometers are normally distributed with a mean...

A:

Q: The issue of the standard correlation formula Corry = E= x[n]y[n] in N-1 interpreting the numerical ...

A: Given the standard correlation formula Corrx,y=∑n=0N-1xnyn

Q: From the following data, find the association between darkness of eye- colour in father and son : Fa...

A: The qualitative characteristic of the population is known as attributes. The qualitative values are ...

Q: Find the following areas on a standardized curve:   a.    Between z= -.25 and z = +1.09.  b.    Betw...

A:

Q: Calculate Yule's Coefficient of Association between marriage and failure of students from the follow...

A:

Q: For each of the following variables, determine whether the variable is categorical or numerical. If ...

A: The variable is either numerical which contains numbers or categorical which contains categories or ...

Q: A car dealership tracks the number of cars sold each week. During the past year they sold from zero ...

A:

Q: Suppose x has a distribution with u = 19 and o = 14. A USE SALT (a) If a random sample of size n = 3...

A: Here, μ=19 and σ=14.

Q: The average salary of bank managers in a certain city is $85,600 pesos per hour with a standard devi...

A: The standard deviation is used to measure the deviation from the mean. The z score is used to measur...

Q: Find the area of the shaded region under the standard normal distribution to the right of the given ...

A:

Q: presents the numbers of coples sold in 2012 for each of the eight best-selling video games. Game Pla...

A: We have to find out frequency bar  graph according to given format...

Q: The points scored by teams in the first round of the Statistics Games have a mean of 135 points and ...

A:

Q: Let p be the population proportion for the following condition. Find the point estimates for p and q...

A: let p be the population proportion for the following condition.given , in a survey of 1994 adults fr...

Q: What is the probability of flipping a quarter four times and it landing on Tails each time? Type you...

A:

Q: A box contains r red balls and b blue balls. One ball is selected at random and its color is observe...

A: Given We are given here an initial r red and blue balls in the box. Given that 4 balls are selected ...

Q: 4.The average salary of bank managers in a certain city is $91,900 pesos per hour with a standard de...

A: Given data is Mean(μ)=91900standard deviation(σ)=24300

Q: 1. On the basis of her experience with clients, a clinical psychologist thinks that depression may a...

A: The number of hours of sleep is recorded for depressed and normal patients as: Depressed Patients...