The mass of packages from a particular machine are normally distributed with a mean of 100g and variance 16g. Find the probability that a randomly selected package from the machines weighs between 99g and 101g Give your answer correct to 3 d.p. Type your answer.

Q: Consider the null hypotheses for the following multinomial experiments. (Give your answers correct…

A: Solution: a) Given information: To test the hypothesis  Ho:P(1)=P(2)=P(3)=P(4)=0.25  k = 4…

Q: ow exactly which variable is ove

A: Answer:  A post hoc test.

Q: x)D (4.10] f(x) = 42* What is Property 2 of the definition of a probability density function? O A.…

A: Given that  Probability density functions of X is  f(x)=(1/42)X  , [4,10]

Q: The length of life of 220 incandescent 60-watt lamps was obtained and yielded the frequency…

A: Cumulative frequency: It can be calculated by adding the frequency of the first class interval to…

Q: The data to the right represent the weights (in grams) of a random sample of 50 0.87 0.85 0.86 0.82…

A: "Since you have posted a question with multiple subparts, we will solve first 3 sub-parts for you.…

Q: Convert the trend equation, Y. forward the origin by half a month, given that the trend origin is…

A:

Q: The following sample data reflect shipments received by a large firm from three different vendors…

A: There are two categorical variables which are quality and vendor. We have to test whether quality is…

Q: A four-person committee is randomly selected from a pool of 19 Americans and 131 Canadians. What is…

A: Given: No. of Americans =19 No. of Canadians =131

Q: given 9 12 25 _ 41 48 nat is the missing value? e missing value is

A: Given ordered data is 9,12,25,x,41,48 The median is 31.5 What is the missing value ? x=?

Q: sample of 16 was used to find that the 99% interval estimate for μ was (52.5955975, 57.9444025).…

A:

Q: The 87.19% confidence interval estimate for p was (0.2, 0.38). Find p′ and ME. pp′=  ME=

A: Given87.19% confidence interval estimate for p was (0.2 , 0.38)

Q: It is claimed that the proportion of OSU students who belong to a fraternity or a sorority is 0.15.…

A: P value will claculated by using z table

Q: Do people walk faster in the airport when they are departing (getting on a plane) or do they walk…

A: Correct option: Option B

Q: The histogram on the right represents the connection time in seconds to an internet provider.…

A: what measure of central tendency best describes the center of the distribution ?

Q: The national average percentage score of Grade 6 in National Achievement Test (NAT) recently for…

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Q: Convert the annual trend equation Ye 48 + 1.2 X into monthly trend equation and shift the origin…

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Q: Convert the following annual trend equation into a + 4.8 X quarterly one : Yc %3D

A:

Q: _____ is used to test the differences in the mean value of a dependent variable among different…

A: Given that

Q: ACL more frequently than their male counterparts do. AS aim. He surveyed 5 universities that had…

A: For women : sample size (n1) = 5 sample mean (x̄1) = Σx1 /n1 =18/5 = 3.60 sample standard deviation…

Q: A four-person committee is randomly selected from a pool of 19 Americans and 131 Canadians. What is…

A: Given, four-person committee is randomly selected from a pool of 19 Americans and 131 Canadians.…

Q: Determine if the conditions required for the normal approximation to the binomial are met. If so,…

A:

Q: Convert the following annual trend equation into a monthly one : Ye = 24 + 1.8X Given X unit 1 year…

A:

Q: Toblem 3. Two water treatment reservoirs were examined to determine if there was a difference in…

A: Given :

Q: Lecture(12.8): A researcher thinks that people have become more anxious when they hear about…

A: Given that, a researcher thinks that people have become more anxious when they hear about violent…

Q: Telles, Singh, and Balkrishna (2012) reported that yoga training improves finger dexterity. Suppose…

A: Case i ) Sample size n = 4 μ = 50σ = 8x¯ = 50+3 = 53 units  as there is an increase α = 0.05 Case…

Q: Sample Mean 3.2 5.7 Sample Variance 9.88 12.53 Construct a 90% confidence interval for estimating…

A:

Q: A study was conducted to determine the effect of cigarette smoking on the carbon monoxide diffusing…

A: The sample size n is 20.

Q: student senate did a survey to see whether these percentages have remained the same. A random…

A: Given: A large undergraduate university revealed that 19% of the students were seniors, 23% were…

Q: You may need to use the appropriate appendix table or technology to answer this question. Sparr…

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

Q: Shift the trend origin from 1997 to 1st Jan '98 in the linear equation, Y. 14.5 + 0.4X, given that…

A:

Q: A researcher wishes to test the claim that the average cost of tuition and fees at a four year…

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Q: contains three red hats, two green hats and one orange hat. Eight hats will be drawn at random with…

A:

Q: BMX racing is a sprint sport where races range from around 30 to 45 seconds depending on the length…

A: Given that BMX racing is a sprint sport where races range from around 30 to 45 seconds depending on…

Q: A political scientist claims that 38% of first-year college students characterize themselves as…

A: Hypothesis  Ho: p=0.38 vs H1: p≠0.38  X=225, n=500  p^=x/n

Q: Scenario: A study was conducted to explore the prevalence and impact of sleep problems on various…

A: Proposed analysis: Here the parameter of interest is the population mean number of hours of sleep.…

Q: latch the linear correlation coefficient to the scatter diagram. r= - 0.787 hoose the correct graph…

A: Given, Correlation coefficient is r=-0.787 Match the scatter diagram.

Q: Given the test scores of 40 students below, determine a) the 20* percentile, 30 percentile, and b)…

A: Solution-: We  want to find following from given data (a) the 20th percentile, 30th percentile (b)…

Q: Illustration 21.4. Is the data given below consistent? N=1,000, (A)=500, (B)=550, (C)=450 (4RI- 200…

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Q: Do children diagnosed with attention deficit/hyperactivity disorder (ADHD) have smaller brains than…

A: Note: In case of multiple questions, answer to first question will be provided. Let  μ1 denotes the…

Q: Illustration 21.12. Given N=1500, (A)=383, (B)=350, (AB)=35. Prepare 2x 2 fold contingency Table.…

A:

Q: Which of the following is NOT an assumption of the χ2 test? It is a nonparametric test. It…

A: Which of the following is NOT an assumption of the χ2 test?   It is a nonparametric test.   It…

Q: Consider the value of t such that the area to the left of-l plus the area to the right of Ir equals…

A: We have to find t such the area to the left of -| t | plus area to the right of | t | equals 0.02…

Q: Suppose a test for a disease has a sensitivity of 75% and a specificity of 80%. Further suppose that…

A:

Q: Part: Part 2 of 2 Find the interquartile range. Round your answer to one decimal place as needed.…

A: We have given that  Minimum, L = 4 Lower Quartile, Q1 = 6 Median, MD = 18 Upper Quartile, Q3 = 29…

Q: We use the Durbin-Watson d test to determine if there exists serial correlation problem. Which of…

A: Given information: The information about Durbin – Watson test statistic is given.

Q: A replacement part for a machine must be produced within close specifications in order for it to be…

A: Given information Population variance, σ2 = 0.055 Sample size, n = 46 Sample standard deviation, s2…

Q: Test whether µ, <H2 at the a = 0.01 level of significance for the sample data shown in the…

A:

Q: LET'S INQUIRE! Answer the following items by calculating the probability of committing an error.…

A: Given: μ=300x¯=290σ=25n=35H0 :μ=300

Q: 1. The hourly rate of 100 college faculty members at Merriam College, Quezon City are distributed…

A: A measure of central tendency represents the central value or typical value of a set of…

Q: )The standard normal curve is graphed below. Shade the region under the standard normal curve to the…

A: Find the area under standard normal curve to the left of z=1.00