1.79 Find some proportions. Using either software or Table A, find the proportion of observations from a lo standard Normal distribution that satisfies each of the following statements. In each case, sketch a standard Normal curve and shade the area under the curve that is the answer to the question. (a) Z> 1.85 (b) Z < 1.85 (c) Z>-0.90

Q: Find the FSTAT  B. Find the P-value

A: For sample 1n1=21,s12=61.9For sample 2n2=13,s22=13.3

Q: -3,3,0,3,-3 What is the standard deviation of the numbers above? (A) (B) C E -3 0 3 6 19

A: The number of observations is .

Q: The probability distribution of the discrete random variable X is given below. 3 513-x QOC X 6 f(x)…

A: Given the probability distribution of the discrete random variable X is,Using formula,

Q: The estimated labor cost associated with a particular proposal is based on the number of plantings…

A: We have given data are1.6, 1.5, 2.6, 2.3, 2.5, 2.3, 2.6, 3.0, 1.3,2.3Also, given that managers use…

Q: The mean amount of time it takes a kidney stone to pass is 12 days and the standard deviation is 4…

A: X~N(mean=12, standard deviations=4)

Q: 11. Between-groups degrees of freedom is calculated by: Oa. subtracting 1 from the total number of…

A: It is required to choose the correct options regarding degrees of freedom and the F-statistic.

Q: . An urn contains 5 red balls, 9 blue balls and 6 green balls. Use this information for both (a) and…

A: Urn contain 5 red, 9 blue, 6 green

Q: 5.4 A regional market survey has determined the economic worth of the fabrication industry over a…

A: YearEconomic worth in Mn114672121631360414005151861678718188216092290102460

Q: 8. A boiler has four relief valves. The probability that each opens properly is 0.99. a) Find the…

A: n = 4p = 0.99Using Binomial formula P(X = x) =

Q: d. For the 14 tires tested, find the probability that the average miles (in thousands) before need…

A: Mean=66, Standard deviation=16

Q: 10th percentile = i 60 90th percentile = i 63 66 69 72 75 There are n = 100 data points included in…

A: From the given information we have n=100 data points included in the dot plot.

Q: The first problem we confront in analyzing data is determining the appropriate statistical test.…

A: To give difference between t-test and z score.

Q: d. The middle 50% of romance novels have from nearest word) words to words. (Round to the

A: X~N(64271, 17329)

Q: Engineers observe that about 90% of graphite samples fracture within 5 hours when subjected to a…

A: x=5F(x) =F(5) =0.90

Q: Assume that the amounts of weight that male college students gain during their freshman year are…

A: From the given information ,X follows Normaldistribution ,Mean = 1.1Standard Deviation= 4.9And , If…

Q: the repair time for air conditioning units is believed to have a normal distribution with a mean of…

A: From the provided information,And

Q: Part C marked as wrong answer

A: We have given that.Mean() = 71standard deviation() = 15X~N(71,15)

Q: with a bachelor's degree be Population 2.   Step 1 of 3 :   State the null and alternative…

A: n1=36,n2=45,X1¯=32400,X2¯=31600σ1=1800,σ2=2800,α=0.01

Q: Two friends, Karen and Jodi, work different shifts for the same ambulance service. They wonder if…

A: The two samples z - test will be used to test whether there is a difference between the mean numbers…

Q: se the Empirical Rule. The mean speed of a sample of vehicles along a stretch of highway is 66 miles…

A: From given dataThe mean speed of sample vehicles=66 Miles/hrStandard deviation=5 Miles/hr

Q: The chart below is a summary of the main results of a test data set representing the population…

A: MetricValueAccuracy (#correct)188Accuracy…

Q: Running times at the annual Oviedo Zombie Run 5K are known to be normally distributed with a mean of…

A: The mean is 42 and the standard deviation is 8.

Q: 2. The scores from a state standardized test have a mean of 200 and a standard deviation of 50. The…

A: According to the given information in this questionwe are going to find the probability between 100…

Q: Assume that calorie consumption is normally distributed with a mean calorie intake of 1200 and a…

A: From the given information,Mean = 1200Standard Deviation 430Using Formula ,Z =

Q: Question 5 Customers come to a barber shop starting from 10AM at rate of 2 customers per hour…

A: Cusotmers start coming from 10 am and the rate is 2 customers/hour Poisson process.

Q: Consider the relationship between the number of bids an item on eBay receives and the item's selling…

A: Number of BidsSelling Price in Dollars7151226144415471950

Q: d. Construct and interpret a 99% confidence interval estimate of the difference between the…

A: D)Given…

Q: ## Call: ## 1m (formula = wage age + points + marr + rebounds + assists + ## draft + position, data…

A: Given that estimate of intercept is -1.427068, the coefficient estimate of age is 0.080062, the…

Q: The following two questions aim to just to check if you understand the idea of probability.…

A: Note: Since you have asked multiple question, we will solve the first question for you. If you want…

Q: Consider a distribution with probability function P₁ = P(N = n) = √² (1³) ³6-4² n! -dU (3), n = 0,…

A:

Q: Two friends, Karen and Jodi, work different shifts for the same ambulance service. They wonder if…

A: From the provided information,

Q: Hello can you please break down these questions for me. I don't know what to do after I calculate…

A: We can calculate z scores by standard normal table of by excel ok

Q: Determine whether the data described below is a quantitative of qualitative variable and explain…

A: A variable is a characteristic that is being measured.

Q: for all individuals and for smokers.   i) Out of all female individuals, calculate the proportion of…

A: It is given that Exhibit 4 and Exhibit 5 consist of the frequency distribution tables for the gross…

Q: t? minutes. artile Range (IQR) for time spent at the hot springs. minutes minutes minutes

A: X~N(71,15)

Q: John wanted to know the percentage of Plug-in Hybrid Elective Vehicle (or PHEV) on the road in the…

A: From the above given data the following solution is provided below:

Q: What effect dose removing the outlier have on each measure of central tendency? Justfiy. a) Mean…

A: Mean: It is the average of all the observations in the data set. Median:It represents the middle…

Q: Test the claim at the 0.05 level of significance. Let recent graduates with a master's degree be…

A:

Q: The New York Times reported that Apple has unveiled a new iPad marketed specifically to school…

A: Given the data on the percentage of students using Apple iPad.

Q: Use sestkey or other technology to find the regression line to predict from using the following…

A: x102030405060y110113112108106102

Q: A Food Marketing Institute found that 26% of households spend more than $125 a week on groceries.…

A: Given:

Q: Let Y, represent the ith normal population with unknown mean , and unknown variance of for i=1,2.…

A: The random variable  follows a normal distribution with a mean,  and a standard deviation,…

Q: compare the given values. The tallest living man at one time had a height of 264 cm. The shortest…

A: Mean=173.67Population standard deviation=8.72

Q: Select the correct choice below and fill in the answer boxes to complete your choice. (Type integers…

A: X01234f(x)0.340.410.170.060.02

Q: SUMMARY OUTPUT Regression Statistics Multiple R R Square Adjusted R Square Standard Error…

A: Regression Model - It is a statistical tool used for modeling the relationship between a dependent…

Q: Question 6: Mercury pollution: Mercury is a toxic metal that is used in many industrial…

A: We have given that Data : 0.99, 1.01, 1.02, 0.94, 0.93, 1, 0.96, 0.98Sample size (n)=88Sample mean…

Q: If the demand for an item is dependent, then the timing and quantities must be forecast. O True O…

A: Forecasting helps in making predictions by using historical data as the main input and it also helps…

Q: Suppose you obtained the heights of ten women and calculated a confidence interval from this…

A: Height of ten women obtained, A confidence interval calculated from this information, Population…

Q: The following table shows the total return and the number of Excel File: data03-17.xlsx for your…

A: Type of fundNumber of FundsTotal ReturnDomestic Equity91914.65International…

Q: The delivery times for Uber eats is normally distributed with a mean of 45 minutes and a standard…

A: From the provided information,