For an organisation whose funding in 2006 was above the average would you expect their funding in 2018 to be above or below average

Q: 2. A new insecticide laboratory test, the immediately after contact. Is this sufficient evidence to…

A: Given that  Sample size n =400 Favorable cases x =384 Sample proportion p^=x/n  =384/400 =0.96

Q: (b) (iii) Rods are taken from a bin in which the mean diameter is 8.30 mm and the standard deviation…

A: Solution: Let X be the rods taken from a bin and Y be the bearings taken from another bin. From the…

Q: Since an instant replay system for tennis was introduced at a major tournament, men challenged 1386…

A: From the provided information,

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A: According to the given information, we have The probability distribution table is given. x 0 1 2…

Q: A sample of n=20 scores has a mean of M=107.  Find the z-score for this sample if it was obtained…

A: Given info: n = 20, M = 107, μ=109, and σ=5

Q: Calculate the upper bound of a 95% interval for the sample proportion for the given data (round your…

A:

Q: Rachel, who turns eighty years old this year, has just learned about blood pressure problems in the…

A: The question is about Chebyshev's theorem Given : Mean systolic blood pressure ( μ ) = 134.2 mmHg…

Q: (i) Find the probability that the rod will fit inside the bearing with at least 0.10 mm clearance?

A:

Q: Determine whether the random variable described is discrete or continuous. The amount of time you…

A: We know that Discrete random variable: The random variable  which takes countable and finite values.…

Q: According to R.L.Polk & Co., the average age of cars and light trucks in the US in 2011 was 10.8…

A: Given n=35, population mean μ=10.8, population standard deviations σ=3.7,  P(x̄>10)=?

Q: Survey was conducted about real estate prices. Data collected is 183237, 273290, 394891, 471556,…

A: From the information, observe that the ascending order of the given data as follows: 183237, 273290,…

Q: sample confi a margin ±10W/m² and ±5W/m². Assume that o = 10 as the estimate of standard deviation…

A: Given: standard deviation(σ)=10Confidence level(c)=0.99α=1-c   =1-0.99   =0.01α2=0.012…

Q: A random sample of 9 statistics students produced the following data, Midterm Exam Score, x Final…

A: Given data: Midterm Exam Score, x Final Exam Score, y 81 49 62 23 76 84 26 58 96 33…

Q: (c) Find the probability that the standard is exceeded on at least two days. The probability that…

A: The following information has been given: x 0 1 2 3 4 p(x) 0.35 0.38 0.19 0.05 0.03 X is a…

Q: 2. All Grade 6 students are required to take the NAT. Suppose the mean for the mathematical aptitude…

A: Let X be the math score that follows normal distribution with mean (μ)=25 and standard deviation…

Q: A study was conducted at a local college to analyze the average cumulative GPA’s of students who…

A: Let us first know about the meaning of the given words: Population is a complete set whereas sample…

Q: Three times a first number decreased by a second number is 20. The first number increased by twice…

A: Given: Three times a first number decreased by a second number is 20 The first number increased by…

Q: Within the class, my classmates and I are given a fixed daily allowance by their parents. Curious, I…

A: Given : Population Size (N) = 15 Student Daily Allowance (in PHP) 1 20 2 50 3 150 4 50…

Q: Water samples are taken from water used for cooling as it is being discharged from a power plant…

A:

Q: of $1800. If she dies within 1 year, the company will pay $39,000 to her beneficiary. According to…

A:

Q: 3. The following sample contains values of the price and quantity sold of a particular commodity.…

A: The following information has been given: ∑x=27                          ∑x2=163 ∑y=342…

Q: A null and alternative hypothesis are given. Determine whether the hypothesis test is left-tailed,…

A:

Q: 6 ordinary six-sided dice are rolled. What is the probability that at least one of the dice shows a…

A: Sample space=S S={ (1,1) (1,2) (1,3) (1,4) (1,5) (1,6)  (2,1) (2,2) (2,3) (2,4) (2,5) (2,6)  (3,1)…

Q: 3. The following sample contains values of the price and quantity sold of a particular commodity.…

A:

Q: Dirty air: The federal government has enacted maximum allowable standards for air pollutants such as…

A: Given that, The probability distribution table is given. x 0 1 2 3 4 P(x) 0.35 0.38 0.19 0.05…

Q: The Acme Company manufactures widgets. The distribution of widget weights is bell-shaped. The widget…

A: Solution: Given: μ=43,σ=4 We want to find  (a) 68% of the widget weights lie between .....and .....…

Q: This linked datasete lists body masses in kilograms for 20 mammal species, and their corresponding…

A: First we will change data, in natural log We have to calculate regression equation  after converting…

Q: Find the expected counts in each category using the given sample size and null hypothesis. Ho: P₁ =…

A: Sample size       In statistics, the sample size is the measure of the number of individual samples…

Q: Give the degrees of freedom for the chi-square test based on the two-way table. Degrees of freedom =…

A: According to the given information, we have Two way table is given.   Yes No Group 1 720 280…

Q: Researchers conducted trials to investigate the effects of color on creativity. Subjects with a red…

A: Given n1=39, n2=40, sample mean x̄1=3.73, sample mean x̄2=3.14, s1=0.52, s2=0.85

Q: Playing the horses: In horse racing, one can make a trifecta bet by specifying which horse will come…

A: a)There are 7 horse hence, possible ways for first place is 7,for second place is 6 ways and for…

Q: A professor sees students during regular office hours. Time spent with students follows an…

A: Given data: Let, X follows exponential distribution with mean = 10 minutes To find: The probability…

Q: Suppose the mean monthly return on a T-Bill is 0.5% with a standard deviation of 0.58%. Sup- pose we…

A:

Q: Eighteen undergraduate students were randomly selected from a university and their systolic blood…

A: Given datan=18x¯=126.4σ=11μ=118

Q: Company XYZ know that replacement times for the DVD players it produces are normally distributed…

A: Here replacement times for the DVD players  is normally distributed random variable with mean  4.7…

Q: survey asked students what mode of transportation they normally use to get to school. The results…

A:

Q: Random variable x is the total number of successes in 6 repeated Bernoulli trials. Each trial is…

A: According to the given information, we have Probability of success, p = 0.9 Sample size, n = 6

Q: Conduct a hypothesis test based on the following information using a significance level of 1%:…

A: Given that Test statistic = -1.79 Sample size = 31  significance level of 1%: Research Question: Are…

Q: A poll of 2,173 randomly selected adults showed that 86% of them own cell phones. The technology…

A: The question is about hypo. testing for popl. prop. Given : Test for p p = 0.93 vs p ≠ 0.93 X : 1865…

Q: The trade magazine QSR routinely checks the drive-through service times of fast-food restaurants. A…

A: Given,Lower bound=162.2  secondsUpper bound=167.2  seconds

Q: The overall average on a process you are attempting to monitor is 55.0 units. The process population…

A: Given that  The overall average on a process you are attempting to monitor is 55 units. (x¯) = 55…

Q: Rods are taken from a bin in which the mean diameter is 8.30 mm and the standard deviation is 0.40…

A: Consider X denoting the bin from which rods are taken, and Y denotes the bearings. It is given that…

Q: Use the given confidence interval to find the margin of error and the sample proportion.…

A:

Q: The amount of time, in minutes, that a person must wait for a bus is uniformly distributed between…

A: Given the time a person must wait for a bus is uniformly distributed between 12 and 54 minutes.

Q: Age at diagnosis for each of 20 patients under treatment for meningitis was given in a research…

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

Q: In a sample of 250 college seniors, 205 responded positively when asked if they have spring fever.…

A: Given,n=250x=205α=1-0.95=0.05α2=0.025Z0.025=1.96       (from Z-table)sample…

Q: 149, 147, 150, 148, 155, 147, 151, 131

A: The data of weight (in grams) of eight  apples from an apple farm. 149, 147, 150, 148, 155, 147,…

Q: A laboratory tested twelve chicken eggs and found that the mean amount of cholesterol was 206…

A:

Q: Why can you not be 100% sure that the difference between two groups is not due to chance? Can…

A: Statistically significant Statistical significance refers to the claim that a result from data…

Q: 1.Is the adjusted relationship between body mass index and ER-positive breast cancers statistically…

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