For a group of 200 candidates, the mean and standard deviation of scores were founds to be 40 and 15 respectively. Later on it was discovered that the score 43 and 35 were misread as 34 and 53 respectively. Find the corrected mean and standard deviation corresponding to the correct figures. 1

Q: A particular telephone number is used to receive both voice calls and fax messages. Suppose that 20%…

A: given data P(incoming call involve fax message) = p = 0.20n = 20 incoming callsx = number of…

Q: The variables Gender and Promotion Class are (note that all percentages below are rounded to the…

A: Introduction: It is required to determine if the two variables, Gender, and Promotion Class are…

Q: The conditional probability that the event A occurs, given that the event B occurs, is given by…

A:

Q: c. How many transactions were made in the first month? 0E d. How many transactions were made in…

A: The two way contingency table represents two classifications of a set of counts or frequencies. The…

Q: 10 Question 4 of 9 e. What percent of the total transactions were made by Store 3? 0%= Round to one…

A: Given,

Q: 34. The Empirical Rule The distribution of the length of bolts has a bell shape with a mean of 4…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: In a survey of consumers aged 12 and older, respondents were asked how many cell phones were in use…

A: Let X denote the no.of households use the cell phone. The given frequency distribution table is,

Q: 15. Since 1973, Dr. T Stanley has collected information on millionaires. The ages of a sample of are…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a…

Q: what is the only plausible value of correlation r based on the following scatterplot $1,000 weekly…

A:

Q: Question list Question 5 O Question 6 Question 7 O Question 8 O Question 9 Statcrunch Fourteen…

A: Given: n = 14 Formula Used: The 5 number summary is: 1. Minimum = Minimum value in the data 2. Lower…

Q: Evaluate. 215! 6!3! Simplify your answer as much as possible

A: It is given that 2!5!6!3!.

Q: 2. The following data show the brand, price. and the overall score for six stereo headphones that…

A: The given regression equation is y^=23.194+0.318x.

Q: A researcher claims that at least 10% of all football helmets have manufacturing flaws that could…

A: Here, p=0.1 n=200 Let x=number of helmets contained defects that could cause injury x=16

Q: 7.9 PRACTICE PROBLEMS 1. Data are collected in a clinical trial evaluating a new compound designed…

A:

Q: Age: 21, 20 , 18, 30 Teenage (10-20) now find out what is the Freq(TeenAge)

A: From the provided information, Age: 21, 20, 18, 30 Teenage (10- 20)

Q: Per gallon gasoline prices charged by two rental companies are given tn the table Location Rental…

A: Given Information: Consider the given dataset: Location  Rental Company A Rental Company B…

Q: A population consists of the following N = 7 scores: 6, 1, 0, 7, 4, 13, 4. Compute u and o for the…

A: Given that A population consists of the following N = 7 scores:   6, 1, 0, 7, 4, 13, 4    Compute μ…

Q: . 46, 42, 42, 53, 47

A: population Standard deviation (σ): 4.0497 EXPLANATION:- to find out population standard deviation we…

Q: Does the histogram appear to depict data that have a normal distribution? O A. The histogram does…

A: Concept: Histogram are used for pictorial representation of quantitative data.

Q: he following data consists of birth weights (pounds) of a sample of newborn babies at local K…

A: We have given that,  The sample data is,  7.1, 9.3, 8.3, 9.1, 6.9, 7.5, 7.7, 9.2, 7.6, 6.8, 7.4…

Q: A researcher claims that at least 10% of all football helmets have manufacturing flaws that could…

A: given data n = 200x = 16claim:p≥0.10α = 0.01p^ = 0.08

Q: 2. Construct a frequency distribution for the above data using seven classes. Complete the table…

A: Given data: 26 33 36 41 47 52 28 34 37 43 48 54 30 34 38 44 49 54 31 35 39 45 50 56 32 35…

Q: A data set that consists of 57 numbers has a minimum value of 12 and a maximum value of 71.…

A: Given that Minimum = 12,maximum = 71,n=57

Q: R1.3 I'd die without my phone! In a survey of over 2000 U.S. teenagers by Harris Interactive, 47%…

A: Introduction: The given figure represents the percentages of teenagers who responded that they found…

Q: The following are distances (in miles) traveled to the workplace by 19 employees of a certain…

A:

Q: Send data to Excel Arrange the leaves in order from smallest to largest. Stems 2 K Leaves None

A: It is given that the discrete data of a class of 20 students completed a math test.

Q: Use the following cell phone airport data speeds (Mbps) from a particular network. Find P70- K 0.2…

A: Data given…

Q: b. to the right of Z is 0.9945 ^ c. to left of Z is 0.9928 ^ d. to the right of Z is 79.95% ^ e.…

A:

Q: For a binomial with n=10, p=.5, what does Tchebychev say about the probability X=0 or 10

A: Given information: Consider X has a binomial distribution with  n=10 and p=0.5.

Q: You didn't solve d), e), and f).

A: We make the following table to calculate the following table     Homeowners        Auto N L M H…

Q: For Numbers 11 to 13: A veterinarian hypothesize that a new formulation of shampoo is better than…

A: Type I error is to reject the null hypothesis when it is actually true.

Q: Compute the least-squares regression equation for the given data set. Use a TI-84 calculator. Round…

A: see the attachment please......................

Q: In a survey of 111 pet owners, 16 said they own a dog, and 54 said they own a cat. 8 said they own…

A:

Q: Newborn babies: A study conducted by the Center for Population Economics at the University of…

A:

Q: What percent of all small companies receiving questionnaires responded? a. 12.5% b. 20.8% c. 33.3%…

A: Small Medium Large Total Yes 125 81 40 246 No 75 119 160 354 Total 200 200 200 600

Q: Outgoing calls at a call centre are completed in 130 seconds on average with a standard deviation of…

A: given information According to given question random variable (x = outgoing call completion time )…

Q: Group1 Group2 1199 459 1182 509 524 494 444 540 1210 1223 1172 1190 1203 1240 1200 1176 Describe the…

A: Given information: Group 1 Group 2 1199 459 1182 509 1210 524 1223 494 1172 444 1190…

Q: n entrance test to a private high school has a bell-shaped distribution with mean 300 and standard…

A: Given data,An entrance test to a private high school has a bell-shaped distributionμ=300σ=25here we…

Q: according to the Census Burean, the mean and median 2008 income of people at least 25 years old who…

A: A mean or average is the ratio of the sum of all the terms to the number of all terms and is…

Q: - The table below displays results from experiments with polygraph instruments. Find the positive…

A: given data    did not lie lied total positive test result 17 43 60 negative test result 30 8…

Q: 2. If P(A)= and P(B) = , can A and B be disjoint? Explain.

A: Given,  P(A)=13  and P(Bc)=14

Q: Determine the parameters of binomial distribution for which the mean is 5 and variance is 3…

A: Answer: From the given data, For a binomial distribution Mean = 5 Variance = 3

Q: Formular Suppose you had a 120 question exam and the probability of you answering each question…

A: It is given that  P( correct answer )= p = 60% = 0.60 Sample size, n = 120

Q: An experiment was conducted to determine whether giving candy to dining parties resulted in greater…

A: given data  independent samples,comed from normal population assume unequal variances,  α =…

Q: 22. How many different committees of 6 can be formed from 12 boys and 8 girls if each committee is…

A: Given that  Total Boys = 12 , Total girls = 8 Committee of members = 6

Q: On each trial of an experiment, a participant is presented with a constant soft noise, which is…

A: We have given that,  The data set is,  337, 406, 747, 406, 406, 337, 337 Then,  We will find the…

Q: The data set below contains penetration values (the percentage of a country's population who are…

A: Given: n = 22 Mean X = 37.95 Formula Used: Variance s2 = ∑Xi-X2n-1 Standard deviation s = Variance…

Q: For each variable, determine whether it is best thought of as discrete or continuous. Variable…

A: As Prof. P.K. Giri said "A discrete random variable is a variable whose values can be obtained by…

Q: New York State has approximately 250,000 employees across over 70 state agencies, commissions and…

A: Given information: New York State has approximately 250,000 employees across over 70 state agencies,…

Q: survey was given asking whether they watch movies on Netflix, Disney+, or Amazon. The results are…

A: Concept:Venn diagram are used for pictorial representation of outcome of various events for…