If the chi-square (x^2) test statistic = 73.7, what is the p-value you would report? Remember to calculate the df first  Choices: A. P > 0.250 B. P = 0.01 C P < 0.001 D. P < 0.002

Q: Format for the 3 blanks in parentheses (_, _, -) is (n, p, x-value). If you have a 83 or TI-84,…

A: Given: n = 160 p = 0.09 X ~Bin(160, 0.09)

Q: Find the z score for the given data A normal population with mean 25 and standard deviation 6.…

A: Answer: From the given data, Population mean = μ = 25 Population standard deviation = σ = 6

Q: How would you report the results?   Group of answer choices   1. The derived t = 0.74 was not…

A: The hypothesis is an assumption that is being tested.

Q: data that heights of young men are approximately Normal with standard deviation about 2.8 inches.…

A:

Q: 6. What is the probability that no more than 156 U.S adults of the 240 surveyed believe solar energy…

A:

Q: Mean: 37.52 Median: 38.00 Standard deviation: 9.760 Using the values that you generated above,…

A:

Q: n = 22, ππ = .75 (Round your mean value to 2 decimal places and standard deviation to 4 decimal…

A:

Q: What is the actual value of the following values written in normalized form? 5.1…

A: Given normalized form of number: -0.34721E2   ……1

Q: For a normal population with a mean of u = 60 and a standard deviation of o=12, what is the…

A: Mean : µ = 60 Standard deviation : σ = 12 M = 45 n = 4 We have to calculate : Sample mean is greater…

Q: 12. Suppose that annual precipitation is normally distributed, with mean 50 inches, and standard…

A: given data,normal distributionμ=50σ=12we have to find out the 65th percentile for given data.

Q: What is the percent uncertainty in the measurement 5.38 0.21 m ? Express your answer using two…

A: The formula for calculating percent uncertainty is percent uncertainty =

Q: Using Excel, A hypertension trial is mounted and 12 participants are randomly assigned to receive…

A: Denote μ1, μ2 as the true average systolic blood pressure for placebo and new treatment,…

Q: * o/X*100 is Coefficient of variation O Combined Standard Deviation O

A:

Q: Could you explain how to find the last question which talks about proportion?

A: First understand proportion Proportion means ( how many parts from total) Example : One apple is cut…

Q: Cholesterol can be a real problem for people because of our fast-paced lives. The mean level for the…

A: Null and alternate hypotheses: The investigator is interested to test whether there is a change in…

Q: В. May completed the 100 m event in the athletic meet in 14.2 s. The standard deviation of the time…

A: B. Given, Her time =x =14.2 Sd of time of all contestants = σ =0.92 Standard score of her time =…

Q: z = 0.34 is what percentile? percentile(%) State your answer up to 2 decimal places.

A: Percentile : Percentile is the value such that certain percentage of the data fall below that value.…

Q: Strength of concrete: The compressive strength, in kilopascals, was measured for concrete blocks…

A: The test statistic for the paired t-test is, t=d¯snwhere,d¯=∑din, defined di=xi-yiAnd…

Q: 3. The scores on the Wechsler Adult Intelligence Scale are approximately Normal with mean 100 and…

A: Given data:Mean Standard deviation Raw score The z-score formula is given by:​

Q: Read the Student's t Table that is in the instructions of this test. Two tail Alpha= 0.05 n = 18…

A: Given information- We have given the two-tailed hypothesis. Significance level, α = 0.05 Sample…

Q: Ho:p=0.77 H1:p>0.77 your sample consists of 1:6 subjects, with 100 sucessses. Calculate the test…

A: Given that, The sample size is, n=100 The sample proportion is, The null and alternative hypothesis…

Q: Mean of SAT-math score of population:517 Standard deviation of the SAT-MATH SCORE:100 I WANT TO…

A:

Q: You are performing a left-tailed test with test statistic z = - 0.65, find the p-value to 4 decimal…

A: We have to find p value.

Q: H0: There is no relationship between phone use and accidents. H1: There is a relationship between…

A:

Q: Mean               s                   n Men          117.5              9.7                 6 Women…

A: Given Men mean systolic blood pressure = 117.5Women mean systolic blood pressure = 126.8Standard…

Q: I'm having trouble with part b of this question. I am using the formula of z=(X-m)÷(standard…

A: Consider, X be a random variable that represents average daily jail population in U.S. is normally…

Q: You are conducting a study to see if the proportion of men over 50 who regularly have their prostate…

A: given data claim : p&lt;0.42left tailed test test statistic Z = -2.91we have to find p value.

Q: Thirteen different video games showing alcohol use were observed. The duration times of alcohol use…

A: Given,sample size(n)=13population mean(μ)=77secH0:μ=77 secHa:μ&gt;77 sec

Q: Use the following table to answer the following questions. You have two independent variables in…

A: The formula of R2 is given by           RSS = residual sum of squares  TSS = total sum of squares

Q: What is the area of proportion between the mean and a z-score of -2.88? What is the area of…

A: The area of proportion between the mean and a z-score of –2.88 = P(–2.88 &lt; Z &lt;0) = P(Z&lt;0) –…

Q: On an exam with a mean of M=39, you obtain a score of X=35. Would you prefer a standard deviation…

A: Given that, Mean M =39 X=35, prefer a standard deviation of s= 2 or s=8:

Q: Test a claim that the mean amount of carbon monoxide in the air in U.S. citle less the random sample…

A: Claim: The mean amount of carbon monoxide in the air is less than 2.34 parts per million.Sample size…

Q: the heights of male adults are normally distributed with mean 1.7m and standards deviation 0.2m In a…

A: The normal distribution in the center are generally denser and basically less denser at tails. There…

Q: Consider the National Assessment of Educational Progress (NAEP) scores for an eighth-grade math…

A: Given that  X~N(282,40) Mean =μ =282  , ?=40

Q: What is the value of the chi-square test statistic for this test? O x² = 8.79 O x² = 15.89 О…

A:

Q: You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe…

A:

Q: 29 blood samples, mean hemoglobin concentration=13.9 grams/deciliter and standard deviation=1.43…

A: The random variable X is normally distributed. The sample size is 29. The sample mean is 13.9. The…

Q: In Exercises 1-4, give the percent of the area under the normal curve represented by the shaded…

A: The mean and standard deviation for the standard normal distribution are 0 and 1.

Q: You want to obtain a sample to estimate how much parents spend on their kids birthday parties. Based…

A: Given; population standard deviation(σ) = 42.7 dollars margin of error(E) = 5 dollars confidence…

Q: Find the percentage of the area under a normal curve between the mean and the given number of…

A: Z- value can be calculated as, Z=χ-μσ We have to find area under normal curve between the mean and…

Q: 11.21 What proportion of male fruit flies have thorax leng between 0.9 and 1 mm? (a) 0.0254. (b)…

A: Standard normal distribution: The standard normal distribution is a special case of normal…

Q: For a test: HO: μ = 60 H1: p > 60 X bar = 56, standard deviation (s) = 18 and sample size(n) = 238…

A: H0  :μ=60H1:μ&gt;60 x  =56 and standard deviation (s)=18sample size(n)=238 Find the test…

Q: The amount of trash generated by US households (in lbs per day) is normally distributed. You take a…

A: Sample mean = x̅ = 10.91 Sample size = n = 10 Sample S.D = s = 4.736 Standard Error = s/√n  =…

Q: lustration 17.25. The income distribution of a group of 10,000 persons was found to be normal with…

A:

Q: In the experiment, you repeated measurements 13 times for a resistor. After data processing, you…

A: