Find the ones digit of this sum: 2^2202 + 3^2023 + 5^2025 + 8^2028

Q: A mail-order catalog business that sells personal computer supplies, software, and hardware…

A: Given the data as Months Distribution Cost ($thousands) Number of Orders 1 52.95…

Q: distribution of values is normal with a mean of 56.8 and a standard deviation of 87.8. Find the…

A: Given that.   X~N( μ , ?)   μ=56.8  , ?=87.8   Z-score =( x - μ )/?

Q: Blood pressure is distributed Normally, with a mean of 85 mm and a standard deviation of 20 mm.…

A:

Q: Poly(3-hydroxybutyrate) (PHB), a semicrystalline polymer that is fully biodegradable and…

A: As per our guidelines we are supposed to answer only 3 subparts of any questions so i am solving…

Q: The death rate per 100,000 for lung cancer is 7 among nonsmokers and 71 among smokers. The…

A: Given that: People with lung cancer among nonsmokers, R0=7 People with lung cancer among smokers,…

Q: DRAW A BOXPLOT  for the dataset with all proper lables

A: The data is given on no. of surgeries scrubbed in the past 30 days. Sample size (n) = 30 To…

Q: Given the binomial distribution, X~ B(10, 0.4) X = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}. P(X= k) =…

A: Given  The binomial distribution X~B (10,0.4) 1, X = {1,2,3,4,5,6,7,8,9,10} 2 P(X=K)…

Q: Suppose a manufacturer produces light bulbs and claims that their average lifespan is 1000 hours…

A:

Q: Events A and B are independent with p(A) = 0.2 and p(B) = 0.5. Find p(A B).

A: Given  Events A and B are independent with p(A) = 0.2 and p(B) = 0.5. Find p (A B). =?

Q: The Consumer Reports Restaurant Customer Satisfaction Survey is based upon 148,599 visits to…

A: Given:-               The Consumer Reports Restaurant Customer Satisfaction Survey is based upon…

Q: The Gallup Poll reported that  52%  of Americans used a seat belt the last time they got into a…

A: Let X be number of people used a seat belt the last time they got into a car from binomial…

Q: f Z is distributed as a Standard Normal variable, then what is the probability that it is between 0…

A: GIVEN DATA, Z  distributed as a standard normal variable, probability that it is between 0 and 0.15…

Q: A statistic center compiles data on the length of stay by patients in short-term hospitals. A random…

A: The data shows the length of stay by patients in short-term hospitals.

Q: Let µx and o be the expectation and variance of a forecast model F for an observations y, and let…

A: The above question investigates the properties of different forecast models F and G, and their…

Q: The ages (in years) and weights (in pounds) of all wide receivers for a football team are listed.…

A: Given data set:

Q: The heights of women are normally distributed with a mean of 65 inches and a standard deviation of…

A: given data normal distributionμ = 65σ = 3.5

Q: that the average delivery time is 8.33 minutes with a standard deviation of 1.149 minutes. You…

A: Note:- “Since you have posted multiple questions, we will provide the solution only to the first…

Q: The Standard Normal variable, Z~ N(0,1). Which of these statements is incorrect? A. Pr(z > 1) =…

A: A. The z-score is 1.

Q: The owner of a movie theater company would like to predict weekly gross revenue as a function of…

A: Testing the hypothesis: H0: B1=B2=0 (there is no significant relationship between advertising…

Q: A box contains 4 red balls, 3 green balls, and 5 blue balls. If 2 balls are drawn at random without…

A:

Q: x P(x) 0 0.1 1 0.2 2 0.2 3 0.5 Find the mean of this probability distribution. Round your answer…

A: x p(x) x*p(x) 0 0.10 0.00 1 0.20 0.20 2 0.20 0.40 3 0.20 0.60     1.20

Q: The blood platelet counts of a group of women have a bell-shaped distribution with a mean of 247.8…

A: Given that.   X~N( μ , ?)   μ=247.8 , ?=61.6   Z-score =( x - μ )/?

Q: AGEFRST CO_BASE 16                   14   14                   18  12                   11  13…

A: Note:- As per the Bartleby guidelines only three subparts can be answered. Kindly, resubmit with…

Q: The mean IQ for the U.S. is 100 with a standard deviation of 15. A Troy statistics professor thinks…

A: It is given that the average IQ of US students is 100 and the standard deviation of  US students is…

Q: You are an epidemiologist and have been alerted to an outbreak of gastrointestinal disease. Nearly…

A: Given Nearly all ill persons reported attending the pancake breakfast. Total 157 people attended the…

Q: The graph illustrates the distribution of test scores taken by College Algebra students. The maximum…

A: Given that: Mean score, μ=72 Population standard deviation, σ=10

Q: ou estimated the following regression. What value would you predict for Y, if X = 40? (Round your…

A: We know that the estimated regression line:- Y = aX + b where, coefficients :-  a = slope b =…

Q: If only the upper 30% of a normally distributed class passed a quiz for which the mean was 70 and…

A: According to the given information in this question we need to find the lowest score a student could…

Q: mal distribution.Use decimal places. First z-score = [ Note: If it di

A: Given,  P(-z<Z<z)= 73% = 0.73    i.e. Middle area under the standard normal curve is 0.73

Q: A statistical program is recommended. Suppose the following data shows a company's annual revenue…

A: Solution: From the given information,

Q: Problem: In a Gaussian variable experiment, random variables X, Y, Z follow the rule: X, Y|Z are…

A: ANSWER: (a) Given Z=2 To find the pdf of X, we need to use the conditional distribution of Z given…

Q: The Computer Anxiety Rating Scale (CARS) measures an individual’s level of computer anxiety, on a…

A: t = (M1 - M2)/√[(Sp2*(1/n1 + 1/n2))]  Sp2 = [(df1*S12) + (df2*S22)]/(df1 + df2) Given :  N1 = 40…

Q: The mean IQ for the U.S. is 100 with a standard deviation of 15. A Troy statistics professor thinks…

A: IQ score is given :  Mean = 100  Standard deviation = 15  N = 10  Write data in increasing order :…

Q: A statistical program is recommended. You may need to use the appropriate technology to answer this…

A: Given data: Average monthly gas bill Age Square footage Rooms 70.2 16 2537 6 81.33 2 3457 8…

Q: A researcher reports t(5) = +3.00, p < .05 for a repeated-measures research study. The mean sample…

A: Solution

Q: When studying radioactive material, a nuclear engineer found that over 365 days, 1,000,000…

A: Given that: Number of atoms decayed during 365 days = 24927 Total number of days = 365

Q: Use your calculator to find critical values such that the following statements are true. Your task…

A:

Q: Given a sample with a mean of 94 and a standard deviation of 17, find x such that Pr(X > x) = 0.321.…

A: Given  mean (μ) =94 and standard deviation (σ) =17  find x such thatP(X &gt; x) = 0.321.

Q: can you do problem 4 as well

A: Given that, X has a following continuous distribution:- f(x) = x23 ,    -1≤x≤2

Q: The table below contains the total cost​ ($) for four tickets to a basketball game purchased on the…

A: The question is about frequency distribution Given :   To find : a ) Ordered array b ) freq.…

Q: Show that the Cauchy distribution with parameter = 0 and the t distribution with one degree of…

A: Here we have given probability density function of cauchy random variable. Using this pdf we can…

Q: If n=29, x=35, and s=2, find the margin of error at a 95% confidence level using the critical value…

A: Given,n=29x¯=35s=2

Q: A particular fruit's weights are normally distributed, with a mean of 777 grams and a standard…

A: given data normal distributionμ = 777σ = 9for haviest 10%, cutoff = ?

Q: Descriptive epidemiology characterizes the amount and distribution of disease within a population…

A: ANSWER: Descriptive epidemiology can enable the researcher to assess health and disease trends in a…

Q: When designed experiments are conducted in a public school systems, researchers typically choose a…

A: Solution: There are two types of sampling probability sampling and non probability sampling.  The…

Q: You are at the county fair and play a game that involves throwing a baseball at target. You get 3…

A: Given,n=3p=0.37A random variable X~Binomial(n=3 , p=0.37)P(X=x)=Cx(0.37)x(1-0.37)3-x     ;…

Q: Find each of the shaded areas under the standard normal curve using a TI-84 calculator. Round the…

A: part 1) in ti 84 calculator steps are 2nd-distr-normalcdf Lower=0.72 Upper=99999 Mu=0 Sigma=1 Paste…

Q: Use a normal approximation to find the probability of the indicated number of voters. In this case,…

A: P(v0te) = p = 0.22 sample size(n) = 182 x = no. of voters voted P(x=45) = ?

Q: Dermine whether the interaction between type of word and classification category is statistically…

A: The null hypothesis, H0:  There is no interaction effect between type of word and classification…

Q: Calculate -scores for the following raw scores taken from a population with a mean of 100 and…

A: Given that information A population with a mean of 100 and standard deviation of 16 Mean = mu = 100…