1. Complete the frequency distribution table. TIME (in f X hours) 9-10 7-8 5-6 3-4 1-2 LB

Q: A study was conducted to measure the weights of cabbage produced by a farm in Benguet. The weights…

A:

Q: The United Nations estimates that the world reached a population of 7.7 billion people in 2020.…

A: Given     Population in 2020 : 7.7 billion Average growth rate : 1.1% per year

Q: Of the data sets below, which has standard deviation 0? Set A: 1, 2, 3, 4 Set B: 1, 1,4,7 Set C: 0,…

A: The  Data set D. 6,6,6,6 Σx=24 Σx2=62+62+62+62=144n=4The standard deviation is…

Q: It was found that 33% of all diners order vegan meals and that 90% of all diners are undergraduate…

A: The following information has been given: Let us consider "V" denotes the event diner orders a…

Q: Independent observations X₁, X₂ and X, come from normal distributions that have the same mean, μ,…

A: Solution

Q: The nails produced by a machine are assumed to have a mean of 5.0 cm. A random sample of 80 nails…

A: Null hypothesis: H0: µ=5. Alternative hypothesis: H1:µ>5. This is a right tailed test. Here, the…

Q: Calculate the distance between the two variables given below using the most common method of…

A: Given,

Q: Business Weekly conducted a survey of graduates from 30 top MBA programs. On the basis of the…

A: Given: Mean = $152000 Standard  deviation  = $12000 Sample size  = 45

Q: 1. When 100 independent samples are taken X 2 3 + f(x) 1/12 3/12 4/12 3/12 2. When 4 independent…

A: Compute the mean (μx) variance (σ2x) and standard deviation (??) of each sampling distribution.

Q: Blood glucose levels for obese patients have a mean of 100 with a standard deviation of 15. A…

A: According to policy we supposed to answer three part kindly repost for remaining.

Q: Let X be normally distributed with mean μ = 3,100 and standard deviation σ = 1,900. [You may find it…

A: I solved exactly first three subparts because of bartleby policy if you want more please upload…

Q: General Direction: Perform each of the following steps. a. Find the Spearman rank correlation…

A: Given: Sample  size n = 5 Significance level α = 0.10   Formula Used: Spearman Rank Correlation…

Q: 1. The life spans of a particular species of turtle are normally distributed with a mean of 180…

A: Given that mean =180 ,s.d =40 P ( 100 <X < 260) = ?

Q: Problem 2: A political rally contains 20 Republicans, 13 Democrats and 6 Independents. 1. If one…

A:

Q: Listed below are time intervals (min) between eruptions of a geyser. Assume that the "recent" times…

A:

Q: calculator to find the probability indicated (keeping 4 decimals): a)P(Z2.58) b)P(Z0.45) c)P(Z>0)

A:

Q: 22. Given a random sample {(x₁, y₁), (x₂.2),---, (xYn)) such that S = 107 and Syy = 54.75. If the…

A: Sxx=107 Syy=54.75 Slope of regression line=0.257 The objective is to find the linear correlation…

Q: a. Ho : p = 0.28 Ha : p > 0.28 b. Level of Significance: a = 0.10 c. Computed Test Statistic: zcom =

A: HERE GIVEN , A research states that 28% of college degrees are from engineering courses. A…

Q: a. no three digits are to be the same? b. the number must be odd? c. the number must be even?

A: here given  5 digit number formed from the digits 1,2,3,....9  so there are 9 digit available for…

Q: There are 47 runners in a race. How many ways can the runners finish first, second, and third? There…

A: There is total 47 runners.

Q: Investing in the stock market can offer plenty of benefits and involve some risks.  If an investor…

A: Given P loss/participates in the stock market=0.13 Pgain/does not participates in the stock market…

Q: The weight of a certain type of brick has an expectation of 1.12 kilograms with a variance of 0.0009…

A:

Q: Part B. If the population standard deviation o is unknown, the sample size is small, and the…

A: Solution: Assumption or condition for confidence interval for t distribution: 1) Sample observation…

Q: A factory that manufactures screws is performing a quality control experiment. Each object should…

A: The provided information is  x¯=13.93  centimetersσ=0.22n=89 The factory that manufactures screws is…

Q: The random variable A has range (0, 1), and p.d.I. given by f(x)=3(x-1)², 0<x< 1. (a) Explain why…

A: Solution: The probability density function of random variable X is  f(x)=3(x-1)2        for…

Q: 1. How many three digit numbers can be formed from the digits 1,2,3,4 and 5 if one is not to used as…

A:

Q: Find the slope-intercept form for each linear equation. a) Slope & intercept: m = 4 and (0 , 5) b)…

A:

Q: 3. When 25 samples are drawn with replacement Y 1 2 Ply) 1/2 1/6 3 1/3

A: 3)Given data is  y 1 2 3 P(y) 1/2 1/6 1/3

Q: A pension fund manager is considering three mutual funds. The first is a stock fund, the second is a…

A:

Q: Let X₁, , Xn be a random sample from a large population following a uniform distribution over [0,…

A:

Q: An injection moulder produces golf ball with an average weight of 0.25gm. To investigate whether the…

A:

Q: hat is the mean of the set of data? mplete the table. Frequency Class Mark Class Interval Lower…

A: Class Frequency (f) Lower boundary(LB) (class mark) (x) f⋅x &lt;cf 70-76 15…

Q: What is the value of B ? Complete the table. Class Interval Frequency (1) Lower Boundary (LB) 70-76…

A: Class Frequency (f) Lower boundary(LB) (class mark) (x) f⋅x &lt;cf 70-76 15…

Q: A sample is selected from one of two populations, S₁ and S₂, with P(S₁) = 0.8 and P(S₂) = 0.2. The…

A: Given A sample is selected from one of two populations s1 and s2 . P(s1)=0.8 P(s2)=0.2 P(A|s1)=0.2…

Q: Of 1000 randomly selected cases of lung cancer, 823 resulted in death within 10 years. (a) Calculate…

A:

Q: The average retirement age in America is 64 years old. Do small business owners retire at an older…

A: Assume that μ is the population average retirement age in America.

Q: Bhabhylhyn, a public health researcher, would like to estimate the proportion of hospitals which may…

A: Solution:- from given information the margin of error M.E.=4%=0.04 95% confidence level

Q: Below shows the advertising costs and corresponding sales of JBC Holdings for 10 years Advertising…

A: Given : Advertising Costs(In Million Pesos) Sales(In Million Pesos) 7.4 30 7.5 25 8.5 31.5…

Q: Suppose that the time required to complete a 1040R tax form is normal distributed with a mean of 90…

A: Given Mean=90 Standard deviations=10

Q: Blood glucose levels for obese patients have a mean of 100 with a standard deviation of 15. A…

A:

Q: Use a stem-and-leaf plot to display the data, which represent the numbers of hours 24 nurses work…

A: Given data is :

Q: The average American consumes 93 liters of alcohol per year. Does the average college student…

A:

Q: At a certain plant, batteries are produced with a life span that is normally distributed with a…

A: Standard deviation (σ)=2 Population mean (μ)=15 Sample size(n)=27 Sample mean(x)=14.5

Q: Five balls numbered from 1 to 5 are placed into a bag. Some are grey and some are white. The ball…

A: An event is an outcome or a set of outcomes of a random experiment to which a probability is…

Q: Might I ask where did u get the p value as 0.140951 in the table?

A: The test statistic value is -1.0761.

Q: c. determine the 95% confidence interval estimate for the population proportion of people who watch…

A: Given X=154 n=250

Q: Find the following z values for the standard normal variable Z. (You may find it useful to reference…

A: According to our policy we can answer only first three part for remaining please repost the…

Q: (c)Estimate Pearson’s First Coefficient of skewness for the given the Data:         91  62  54  72…

A: Pearson’s First Coefficient of skewness formula SKp = (Mean - Mode) /SD

Q: Compute the t- value for each: 1. Find the t- value when μ = 42, , x = 43, s = 5 and n = 20 2. Find…

A:

Q: B. Determine which measure of central tendency is appropriate to use in making the following…

A: B. 4. Daily Meal allowance of learners in a school to be used by the canteen manager to plan for a…