In Pittsburgh, Pennsylvania, about 56% of the days in a year are cloudy.  The month of June has 30 days.  What is the mean and the standard deviation for the number of cloudy days in June?        Hint: This is a binomial distribution a)  The mean is______  (round to 1 decimal place) b)  The standard deviation is______ (round to 1 decimal place)

Q: Given a binomial distribution with n=14 and p=.33: what is the mean? Blank 1 what is the standard…

A: It is given that, a binomial distribution with n=14 and p=.33 i.e. X~Bin(n=14,p=0.33) We know that…

Q: What is the standard deviation of the sample means called? What is the formula for this standard…

A: Standard deviation of the sample means is given.

Q: he average annual salary for government employees in Manila is Php 125,000. Assume that the…

A: Comments: As per our guidelines we are supposed to answer only three subparts. Kindly repost other…

Q: "Ch6. Traveling between University of Santo Tomas and Rizal Park, Manila via shuttle bus takes, on…

A: Let Xi be the random variable representing the time taken by the ith transport time. Here, Xi has…

Q: c.    What is the mean of the sample means? d.    What is the standard deviation of the sample means…

A: Let  Mu = population mean  X bar = sample mean n = sample size  Sigma = population standard…

Q: Heights of 10-year-old, regardless of sex, closely follow a normal distribution with mean 55 inches…

A:

Q: The Economic Policy Institute periodically issues reports on wages of entry level workers. The…

A: From the given data: Standard deviation for male = $2.30 Standard deviation for female = $2.05

Q: On a normal distribution, four participants obtained the following deviation scores: -5,0,+3,+1.…

A: Given deviation scores of four participants from a normal distribution. The mean for the deviation…

Q: Suppose a population is unimodal and symmetric with mean 55 and standard deviation 7.  a.…

A: Consider X be a random which follows normal distribution with a mean of 55 and standard deviation of…

Q: In a distribution exactly normal, 7% of the items are under 35 and 89% are under 63. What are the…

A:

Q: When computing the standard deviation, does it matter whether the data are sample data or data…

A: We know that for sample data we use (n-1) while calculating sample standard deviation whereas for…

Q: Based on a recent report, the cost of healthcare is $8,086 per person in the United States. Suppose…

A: Given : Population Mean,μ = 8086.0 Population Standard Deviation,σ = 2500.0 sample…

Q: Suppose that 14 children, who were learning to ride two-wheel bikes, were surveyed to determine how…

A: We have to answer questions related to data statistics.

Q: What is the standard deviation of the following probability distribution? Round to tenths place.

A: Expectation: Second raw moment:

Q: 5. A statistics professor reported that the mean score in a recent quiz is 72 and the standard…

A: Answer - Given X~ N( μ, σ)                Where μ = 72    and σ = 6                Find the…

Q: In Pittsburgh, Pennsylvania, about 56% of the days in a year are cloudy. Find the mean, variance,…

A: Given, In a year 56% of days are cloudy. Now during June month 30 days. Each day is independent of…

Q: 4. Which of the following distributions has the larger mean? Which has the larger standard…

A: Hey there! Thank you for posting the question.  Since there are multiple questions posted, we will…

Q: In Bay field, Ontario 65% of residents read the bay-field breeze, a local online blog. Dennis wants…

A:

Q: A certain video game has 72% chance of sucess. During summer vacation a person plays 12 games a day.…

A: In question, Given that A certain video game has 72% chance of sucess. During summer vacation a…

Q: a. What is the mean of the time interval? b. What is the standard deviation of the time interval? c.…

A: From the provided information, The probability density function of uniform distribution can be…

Q: a used car lot lowers the price of every car in the lot by $300. what effect, if any will this have…

A: Mean, median and mode will decrease by $300.

Q: The College Board reported the following mean scores for the three parts of the Scholastic Aptitude…

A: Solution: It is given here:

Q: 10. Suppose approximately 95 % of people who wrote a standardised test had marks that ranged from 78…

A: here given ,  Suppose approximately 95 % of people who wrote a standardised test had marks that…

Q: Which of the following is the essential meaning of "the standard error of the mean"?   a.…

A: Given that,  The essential meaning of "the standard error of the mean":   The answer is option D. It…

Q: In a statistics class, 10 scores were randomly selected and the following results were obtained: 74,…

A:

Q: You are an educational researcher at McMaster University. Suppose you know that 22.7% of the entire…

A:

Q: Recently, a random sample of 25-34 year olds was asked, "How much do you currently have in savings,…

A: Solution  Saving  Frequency (f)  Midpoint(x)  x2 fx fx2 0 - 199 337 99.5 9900.25 33531.5…

Q: Hila City typically has rain on about 16% of days in February. a. What is the probability that it…

A: Given,p=0.16q=1-0.16=0.84no.of days in the month of February(n)=28Let X= no.of days will rain in the…

Q: 5. The NBA commissioner wishes to know how many hours per day NBA players watch TV. He sampled the…

A: Solution-: We find a 90% C.I. for the average  amount of time that NBA players spend watching TV.

Q: According to the College Board, the probability that a student forgets to bring their ID with them…

A: Thank you for posting the question. As your question has more than 3 parts, as per the policy, we…

Q: In a statistics class, 10 scores were randomly selected, and the following results were obtained:…

A: Mean: It is the sum of the total observations divided by the total number of observations. Range: It…

Q: Refer to the accompanying table, which describes the number of adults in groups of five who reported…

A:

Q: The Department of  Administration surveyed recent graduates to get information on their starting…

A: We want to find the point estimate of standard deviation

Q: Suppose this average cost was based on a sample of 55 persons who had been involved in car crashes…

A:

Q: A large corporation employs 21,995 individuals. The average income of all employees is $64,372, with…

A: The population mean is denoted by μμ. The population standard deviation is denoted by σσ. Sample…

Q: a) What is the mean? (Enter as a decimal) b) What is the standard deviation? (Round to four decimal…

A:

Q: What is the standard deviation of the distribution in Table 1? Round your answer to the nearest…

A: Solution: Let X be the number of slam dunks. The probability function for X is calculated as…

Q: See picture for questions.   Explanation On their website, a property management company states…

A: Givensample size(n)=10Mean(x)=660standard deviation(s)=25α=0.10

Q: What is the LARGEST possible value of the sample standard deviation? о a. There is no largest…

A: It is given that the statement about to the sample standard deviation. Here, need to find out the…

Q: What is the standard error?

A: Let , X→N(μ=28000 , σ=7200) , N=20000 , n=64 By using central limit theorem , The sampling…

Q: The sample standard deviation is a measure of what?

A: The sample standard deviation is a measure of spread of scores within a sample data.

Q: Find the mean and standard deviation for the number of girls in 8 births.

A:

Q: The heights of a pediatricians three-year-old females are approximately normally distributed, with…

A: Solution: Let X be the height of a pediatricians three-year-old females. From the given information,…

Q: 1. What is the mean of the sampling proportion? 2. What is the standard deviation of the sampling…

A: Let p be the population proportion of people with green eyes. Given that p = 2% = 0.02 Given that,…

Q: A Trucking Company claims that the mean weight for their delivery trucks when they are fully loaded…

A:

Q: What is the standard deviation of the following sample of size n = 5?-3,5,8,10,12

A:

Q: Consider the following sample data.  Sample A: 8,13,18 Sample B: 66,71,76 Sample C: 1,025,…

A: From the given information, the 3 samples are as follows:   A B C Samples 8, 13, 18 66, 71, 76…

Q: Sketch a normal distribution/bell curve with a mean of 60 and a standard deviation of 20. What…

A: Let X be the random variable from normal distribution with mean (μ) = 60 and standard deviation (σ)…

Q: SE Mean

A: Country- CHINA Sample size (n) =50 Sample mean (x¯) = 22.5  Standard deviation (σ)=9.75

Statements and Logic

Logic is the analysis of general patterns of thoughts without regard to any specific sense of context.