Math

StatisticsQ&A Library72% of owned dogs in the United States are spayed or neutered. Round your answers to four decimal places. If 36 owned dogs are randomly selected, find the probability thatExactly 26 of them are spayed or neutered. At most 27 of them are spayed or neutered. At least 26 of them are spayed or neutered. Between 24 and 30 (including 24 and 30) of them are spayed or neuteredStart your trial now! First week only $4.99!*arrow_forward*

Question

72% of owned dogs in the United States are spayed or neutered. Round your answers to four decimal places. If 36 owned dogs are randomly selected, find the probability that

Exactly 26 of them are spayed or neutered.

At most 27 of them are spayed or neutered.

At least 26 of them are spayed or neutered.

Between 24 and 30 (including 24 and 30) of them are spayed or neutered

Tagged in

Math

Statistics

Find answers to questions asked by students like you.

Q: The US population is 13% African American. If you were to take a SRS of 500 Americans, what is the ...

A: It is given that the sample size n is 500 and p hat = 0.13.

Q: 27. Call me: A sociologist wants to construct a 95% confidence interval for the proportion of childr...

A: It is given that margin of error (E) is 0.02 and the confidence level is 95%.Here,

Q: Use the standard normal distribution (aka z distribution where mu = 0 and sigma = 1) to determine th...

A: From the given information, the mean is 0 and the sigma is 1.

Q: The waiting times between a subway departure schedule and the arrival of a passenger are uniformly d...

A: A uniform distribution has an equal probability for all the outcomes of the random variable, that is...

Q: Research done at the Harvard School of Public Health showed that regular soda drinkers may have a te...

A: (1)A dependent or response variable is measured while conducting an experiment. Its value depends on...

Q: Six hundred and five survivors of a heart attack, were randomly assigned to follow either (1) a diet...

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

Q: A poll asked the question, "What do you think is the most important problem facing this country toda...

A: Solution:The confidence interval formula for proportion formula is,

Q: (Round to two decimal places as needed.) d. Find P p>0 43) The probability that p is greater than 0....

A: The provided data is sample size, n is 77 and the probability of success, p is 0.4.The mean and stan...

Q: Problem 29 d.

A: The null and alternative hypotheses are given below:H0: µ = 21.62Ha: µ ≠ 21.62Procedure to find samp...

Q: Let the random variable X be defined on the support set (1,2) with pdf fX(x) = (4/15)x3. Find p(X&...

A: It is given that X is a random variable on set (1,2) with pdf f(x).Assume that given random variable...

Q: Given Z=1, standard deviation=2, and u=12, find "x bar"

A: It is given that the mean and standard deviation are 12 and 2, respectively.

Q: Sociologist say that 90% of married woman have issues with their husband's mother and it is the bigg...

A: Preliminary calculations:The given scenario follows binomial distribution.The probability of success...

Q: Assume that different groups of couples use a particular method of gender selection and each couple ...

A: Introduction:Consider giving birth to a girl to be a success. The probability of success is, p = 0.5...

Q: Imagine that you look up a critical t value in a t- table and your observed t value for a specific ...

A: Introduction:Suppose a t test is being performed with ν degrees of freedom, at level of significance...

Q: Find k such that P(-k < Z < k) = .6970 it might help to sketch the situation

A: To value of k can be determine as:By using Z-table,

Q: What is the one-sample t-test commonly called or known as? a) estimated t-test b) approximate z-tes...

A: Solution: The question is multiple choice question, where we are asked what is the one-sample t-test...

Q: According to the Center for Disease Control and Prevention (CDC), the mean life expectancy in 2015 f...

A: It is given that the mean is 71.8, the population standard deviation is 15, sample size is 100 and t...

Q: Suppose the distribution of speeds of cars traveling on the I-5 in California is nearly normal with ...

A: Solution:a.The percentage of cars travel above the speed limit is obtained below:Let the random vari...

Q: Assume that random guesses are made for ninemultiple choice questions on an SAT test, so that there...

A: Given datan = 9p= 0.4Applying Binomial theoremProbability of x success out of n trial is given by

Q: A group takes a Personality test of Extraversion and they all take the test. They find that the grou...

A: It is given that the mean and standard deviation are 50 and 10, respectively.

Q: PBS News Hour reported in 2014 that 39.4% of Americans between the ages of 25 and 64 have at least a...

A: It is given that n =55 and p = 0.3940.The probability mass function of binomial distribution is give...

Q: Find the standard deviation of the following data. Round your answer to one decimal place. ...

A: Given that, x8910111213P(X=x)0.10.20.10.20.20.2

Q: What is tα/2,df for a 95% confidence interval of the population mean based on a sample of 15 observa...

A: Solution: We have to find the t-critical value (tα/2) at the given significance level 1- 0.95=0.05 b...

Q: An investigator wants to estimate the impact of smoking on the incidence of prostate cancer. The inc...

A: Note: Hi there! Thanks for posting the question. It is not clear from your question that what to cal...

Q: Below are the jersey numbers of 11 players randomly selected from a football team. Find the range, ...

A: Note: the sample size mentioned in the question is 11. But the given observation is greater than 11....

Q: Use the standard normal distribution (aka z distribution where mu = 0 and sigma = 1) to determine th...

A: The middle 95% of the data is,

Q: The probability of buying a movie ticket with a popcorn coupon is 0.717. If you buy 21 movie tickets...

A: Given datan= 21p= 0.717probability that exactly 14 of the tickets have popcorn coupon green is given...

Q: SAT scores (out of 2,400) are normally distributed with a mean of 1,500 and a standard deviation of ...

A: It is given that the mean and standard deviation are 1,500 and 300, respectively.

Q: The US population is 13% African American. If you were to take a SRS of 500 Americans, below what p...

A: From the given data The US population is 13% African American

Q: Problem 1

A: Given information:Mean, µ=3,510Standard deviation, σ=385

Q: A normal population has a mean of 56 and a standard deviation of 11. You select a random sample of 9...

A: (a)The probability that the sample mean is greater than 58 is,

Q: In a recent poll, 45% of survey respondents said that, if they only had one child, they would pr...

A: Given datap= 0.45n =130Checking the validity of normal approximation

Q: The GPA's of all students enrolled at a large university have an appromimately normal distribution w...

A: It is given that the GPA of students enrolled at university is normally distributed with mean 3.02 a...

Q: Using the below table: A1 A2 B1 0.4 0.3 B2 0.2 0.1 Calculate P(A...

A: Conditional rule:The formula for probability of A given B is,

Q: Identify the appropriate level of measurement represented in each of the following questionnaire ite...

A: Introduction:Scales of measurement:Nominal: A scale of measurement in which, the observations are ca...

Q: 3. A medical researcher examined the number of asthma attacks patients had both before and while usi...

A: Hello there! there are more than three subparts in the question. According to our policies we cannot...

Q: In a state's Pick 3 lottery, you pay $1.48 to select a sequence of three digits (from 0 to 9), such ...

A: Given Total number of picks in lottery = 3Total number of digits from 0 to 9 = 10The amount paid to ...

Q: Given a population where p = 0.10, find the standard deviation of the samping distribution when n = ...

A: It is given that p is 0.10 and n is 2,000.

Q: #1: Let X1 and X2 be independent and identically distributed to random variable X such that X has me...

A: Introduction:Since X1, X2 are independent and identically distributed, the following important point...

Q: Please show TI 84 steps

A: Introduction:The 100 (1 – α) % confidence interval for the population mean, μ, for given population ...

Q: State the null and alternative hypothesis for the following: a) The average SAT in the state is repo...

A: a)Formulation of hypothesisNull Hypothesis: - mean for the local district is equal to 1010Alternativ...

Q: A clinical trial is planned to compare an experimental medication designed to lower blood pressure t...

A: 1) The appropriate Null and Alternative Hypotheses are given below: From the given information, the ...

Q: Problem 1: If X1, X2, ... , Xn are a random sample from a population with mean u and variance o2, us...

A: Introduction:The method of moments estimator equates the population moments with the corresponding s...

Q: a highly selective boarding school will only admit students who place at least 1.5 standard deviatio...

A: It is given that the mean and standard deviation are 200 and 26, respectively.

Q: For a variable x that is noramally distributed with a mean of μ = 50 and a standard deviation σ = 5,...

A: It is given that the mean and standard deviation are 50 and 5, respectively.

Q: Explain how we use t as an inferential statistic

A: The inferential statistic can be used to infer about the population data based on the sample data. I...

Q: The time required for an automotive center to complete an oil change service on an automobile approx...

A: According to the question the time required for an automotive center to complete an oil change servi...

Q: Can you help me with j and k?

A: Solution:The mean is obtained below:The mean is,

Q: Desert Samaritan Hospital in Mesa, Arizona, keeps records of emergency room traffic. Those records r...

A: According to the provided information, the time between arriving patients are distributed with.Mean ...

Q: Please show TI 84 steps

A: It is given that mean is 10, level of significance is 0.05 and the sample size is 14.From the altern...