How can we use Statistics and Probability to help others make informed decisions regarding Diet and Health.

Q: The PTO is selling raffle tickets to raise money for classroom supplies. A raffle ticket costs $5.…

A:

Q: Sample 12345678 2 9 10 11 12 13 Temperature 185 183 187 188 189 189 192 195 196 198 193 196 200 000…

A: Given: Sample size(n)=14∑x=2693∑y=72002∑x2=518447∑y2=370336678∑xy=13848650

Q: The proportion of defective television tubes made by some company has a beta distribution with mean…

A: Here, µ= 0.25 , σ=  0.0375. Here, X follows a normal distribution.

Q: 7.P(-2.15<Z< -1.09)=_ 8.P(-0.92<Z<0.57)= 9.P(0.68<Z<2.11)=_

A: As per our guidelines we can solve mentioned questions and rest can be reposted. Solution-: Let, Z-…

Q: computer software package was used to calculate some numerical summaries of a sample of data results…

A: From the provided information, Standard error (SE) of mean = 2.05 Standard deviation = 10.25 Sum =…

Q: Based on the data shown below, calculate the regression line (each value to at least two decimal…

A: 23.

Q: Use the data below to answer the questions that follow. Score X-X 15 -3 17 -1 19 1 21 3 |X-X 3 1 1 3…

A: Given n=4

Q: (d) In the sample obtained in part (a), what is the probability that the proportion who are…

A: E) Given Data population proportion,p = 0.78 sample size n = 100 mean of the…

Q: A researcher wishes to estimate the percentage of adults who support abolishing the penny. What size…

A: It is given that margin of error (E) is 0.05 and the confidence level is 95%.

Q: 1. Review the concept of normal curve. 2. Find the area under the normal curve. 3. Sketch the CURVE…

A:

Q: 9. Assume there are 14 homes in the Quail Creek area and 7 of them have a security system. Three…

A: As per our guidelines we are suppose to answer 3 sub parts Number of homes in the Quail Creek Don't…

Q: According to the April 26, 2017, USA Today Snapshot "Math Challenge," 82% of college students…

A: Sample size(n)=150 p=0.82

Q: The work week for adults in the US that work full time is normally distributed with a mean of 47…

A: Given data is 50,43,54,54,50,63,60,49,49,45,52,53sample size(n)=12

Q: Assuming that averages on a statistics exam are normally distributed, arrange the following in…

A: here use basic of normal distribution and percentile

Q: Suppose among residents of Connecticut, 20% own 2 or more Apple products. We would like to see if…

A: From the provided information, Sample size (n) = 100 From which 19 own 2 or more Apple products.

Q: Work Time Lost due to Accidents At a large company, the Director of Research found that the average…

A: Formula : CI= x̄ ± E

Q: Use the data below to answer the questions that follow. Score X-X |X-X| 15 -3 3 17 -1 1 19 1 1 21 3…

A: To find: 1. Number of values indicated in the table. 2. Mean

Q: Question 16: Test the claim that the proportion of people who own cats is larger than 50% at the…

A:

Q: The claim is that the proportion of adults who smoked a cigarette in the past week is less than 0.35…

A: The z-test determines the claim about one population proportion.

Q: Statistics and Probability Directions: Solve the problem below. Show your detailed solution.…

A:

Q: A researcher wishes to estimate the percentage of adults who support abolishing the penny. sample…

A: a) Given : Margin of error: ME = 0.05 sample proportion: p̂ = 0.28…

Q: Let X denote the data transfer time (ms) in a grid computing system (the time required for data…

A: Given Mean=37.5 Standard deviations=21.6

Q: [A. niger] Instructions: Kindly compute for the t-test, table, and its interpretation. Raw data is…

A: Given information: Plate No.  Positive Control (mm) – Nystatin Experimental (mm) - Basil leaf…

Q: A marine biologist would like to estimate the mean lifespan of all Florida manatees . The mean…

A: It is given that sample mean is 56.5 and the population standard deviation is 9.5.

Q: When throwing the dice, if the number of points shown is 1,2,3, he wins 200 dinars, and if the…

A: Probability

Q: Question: Mrs. Durdana runs a floral gift shop in the Defense area, Karachi. She advertises weekly…

A: Given: Sample size n = 5 Formula Used: The regression equation  Y = a + bX where,  Y is dependent…

Q: 4-53. The line width for semiconductor manufacturing is as- sumed to be normally distributed with a…

A: GivenMean(μ)=0.5standard deviation(σ)=0.05

Q: A civil service exam yields scores which are normally distributed with a mean of 81 and a standard…

A: Solution-: Given: μ=81, σ=5.5 We want to fin x such that, P[X&lt;x]=0.15

Q: What is the correlation coefficient for this data set? r=

A: here given ,  the regression line equation   y = -74.19x + 47.89 so slope = -74.19 y- intercept  =…

Q: x₁, x2,...,xn is a random sample from the population that follows a Poisson distribution with the…

A: Given information: Given x1, x2, x3.................xn is  a random sample from the population that…

Q: The number of orders received daily by an online vendor of used CDs is normally distributed with…

A: Let X be the number of orders received daily

Q: (a) Find an 80% confidence interval for the average weights of Allen's hummingbirds in the study…

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

Q: A random sample has been taken from a normal distribution. Output from a software package is given…

A: Given n=10 Variance=2.576

Q: Assuming that averages on a statistics exam are normally distributed, arrange the following in…

A: Averages in statistics: Averages or mean is a measure of central tendency in statistics. It is used…

Q: A regression was run to determine if there is a relationship between hours of TV watched per day (x)…

A: By regression we mean estimation or prediction of the average value of one variable for specified…

Q: DO NOT ROUND YOUR ANSWERS!! SHOW ALL DECIMAL PLACES!! 1. Select Analysis, then Hypothesis Testing.…

A: As per policy we can answer Only 1 question if multiple question is posted ! Question 1 Given that…

Q: (a) The sample has size 10, and it is from a population with a distribution about which we know very…

A: The sample size (n) is 10.

Q: 16% of all college students volunteer their time. Is the percentage of college students who are…

A: We have given that p = 0.16n = 398x = 56p̂ = x/n = 56/398 =  0.1407α = 0.01

Q: The responses of a sample of 1001 people who were asked if their next vehicle will be foreign or…

A: Mean, median and mode combined together are called measures of central tendency. For a set of…

Q: Engineers must consider the diameters of heads when designing helmets. The company researchers have…

A: We know Z score = ( x-average) / standard deviation Given : Mean=6.4 inch, sd=0.9 inch

Q: An automobile manufacturer needs to estimate the average highway fuel economy (miles per gallon) for…

A: From the provided information, Sample size (n) = 137 Sample mean (x̄) = 31.4 Standard deviation (s)…

Q: 14. Sponsors of a local charity decided to attract wealthy patrons to its $500-a-plate dinner by…

A:

Q: uestion 13:  Here is a bivariate data set in which you believe y to be the response variable. x y…

A: Given:

Q: A local non-profit group would like to estimate the proportion of residents of Martin county who do…

A: From the provided information, Confidence level = 98% Margin of error = 0.041 Proportion (p̂) = 0.58

Q: Consider a t distribution with 24 degrees of freedom. Compute P(t≥-1.21). Round your answer to at…

A: Given Df=24

Q: A company is trying to introduce a new product to as many people as possible through television…

A: Number of people (N in millions) who are aware of the product after t days is, N= 2(1-e-0.032t)

Q: A college would like to estimate the proportion of its students that work full-time while going to…

A: It is given that the sample size (n) is 650 and x is 178.

Q: Margin of error helps to measure the precision of the estimate. A. True B. False C. Unsure

A: Margin of error helps to measure the precision of the estimate. (A) True(B) False(C) Unsure

Q: For the following frequency distribution table,

A: Frequency distribution is a type of descriptive statistics.

Q: 0 20 40 60 80 12 Force (N) Length (mm) 21 100 185 255 350 2. Use the table of measurements of length…

A: Given: Force Length 0 21 20 100 40 185 60 255 80 350