Meals are often served at a conference. At one conference: 50% went to breakfast 73% went to dinner 37% attended both breakfast and dinner. If someone attended breakfast, what's the probability they attended dinner? Round your answer to two decimal places.

Q: The teachers in a large local high school want to see if the mean number of students per class for…

A: Given Population mean μ=29.7, n=20, sample mean x̄=31.2, sample standard deviations s=2.72

Q: Q4 The large manufacturing company producing air-conditioner compressor believes the number of units…

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Q: 20. Suppose that before any forward guidance was given a bank believed the FFR would have the values…

A: GivenThe table with FFR before guidance and with forward guidance as shown belowYearBefore…

Q: L5Q5.The curve of best fit is given as y = -3 + 4x - 7x2. Find the value of y when x = -1. A.14…

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Q: Assume that a sample is used to estimate a population proportion p. Find the 99% confidence interval…

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Q: An earlier exercise posed the following research question: "Many cars have a recommended tire…

A: From the provided information, Sample size (n) = 65 Sample mean (x̄) = 29.8 Standard deviation (s) =…

Q: Find the relationship between the two variables in the given data. X 1 2 3 4 20 16 12 8 If one…

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Q: 3(a). Develop hypotheses that can be used to determine whether mean annual Medicare spending in…

A: Given that ; μ = $ 6883 n = 49  Sample mean = $ 5978.32 s = $ 2513 By using this information we…

Q: 11. The table below shows the distribution of the working hours per week among undergraduate…

A: Class Interval Frequency 0-8 9 8--16 5 16--24 7 24--32 4 32--40 3   28

Q: The average number of strawberries that come in a pint is 27.9, with a standard deviation of 7.8.…

A:

Q: A study found that 78% of painters are blacksmiths while only 10% of those who are not painters are…

A: The probability topic is critical to statistics.

Q: ACTIVITY Construct the scatter plot for the following data. Describe the relationship between the…

A: Correlation is the strength of association between the two numerical variables. There are three…

Q: What is the probability that the next person surveyed is very prepared?

A: It is given that Frequency for Very prepared = 247 Total = 247+982+546+341+76 = 2192

Q: A simple random SAMPLE of 30 cell phone batteries resulted in a mean life span of 4.7 years with a…

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Q: During a recent election, a clerk was responsible for the placement of candidates names on the…

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Q: Express the confidence interval (3.6%,21%)(3.6%,21%) in the form of ˆp±MEp^±ME.

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Q: Given that P(A)P(A) = 0.62, P(B)P(B) = 0.27, and P(A∣B)P(A∣B) = 0.22, find the probabilities:…

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Q: onsider a scenario where a Type I error is more severe than a Type II error. Pick the most…

A: Given that  Based on the given scenario

Q: A farmer claims that less than 5% of peaches produced at her farm are defective. A sample of 400…

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Q: Acne is a common skin disease that affects most adolescents and can continue into adulthood. A study…

A: Given:   Treatment 1 Treatment 2 Treatment 3 Placebo Success 30 19 19 4 Failure 117 130 131…

Q: Use the Central Limit Theorem to find the mean and standard error of the mean of the sampling…

A: Given,sample size(n)=23mean(μ)=$235standard deviation(σ)=$60

Q: Suppose that you are offered the following "deal." You roll a six sided die. If you roll a 6, you…

A: Suppose that you are offered the following "deal." You roll a six sided die. If you roll a 6, you…

Q: The soft-drink cups at a certain fast-food restaurant have tickets attached to them.  Customers peel…

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Q: A small airline in the southwest has determined that the no-show rate for reservations is about 16%.…

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Q: What correlation can be observed between x and y in the given figure? ho .. 0 -2 Strong positive…

A: Scatterplot is a graphical representation between two variables, where each of the points of the…

Q: students. You want to estimate the proportion p of students who never floss with 90% confidence and…

A: It is given that Proportion p = 0.27 Margin of error E = 0.03 Level of confidence = 90% The critical…

Q: Of the cartons produced by a company, 10% have a puncture, 5% have a smashed corner, and 0.9% have…

A: It is given that P(puncture) = 0.10 P(smashed corner) = 0.05 P(puncture and smashed corner) = 0.009

Q: GA-GSE Statistical Reasoning B X rn.edgenuity.com/player/ t-table x | + Cumulative Exam Cumulative…

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Q: The following data set represents weights measured in grams of randomly selected MnM plain candies:…

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Q: What does the shaded (blue) region show? Shade in the regions for the (i) significance level (ii)…

A: Note: In case of multiple questions, answer to first question will be provided. As Question 1 is…

Q: Given that P(A)P(A) = 0.4, P(B)P(B) = 0.51, and P(A∣B)P(A∣B) = 0.63, find the probabilities:…

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Q: Example 9.1 Let us take X as the number of heads obtained in three tosses of a fair coin. We are…

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Q: The mean daily production of a herd of cows is assumed to be normally distributed with a mean of 39…

A: Given,mean(μ)=39standard deviation(σ)=9.2

Q: Questions 11-15 are about this data, taken from a sample: {0, 0, 1, 4, 5} 11. What is the mean of…

A: Givensample:{0,0,1,4,5}

Q: how many ways does he have to pack 8 shirts given these two restrictions?

A: here use counting principle

Q: The pregnancy length in days for a population of new mothers can be approximated by a normal…

A: Given that Mean = 268,s.d =8

Q: A bank's loan officer rates applicants for credit. The ratings are normally distributed with a mean…

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Q: For a randomly selected classroom, the probability that a student plays piano is 0.34; the…

A: We have given that,  Probability of student plays piano P(A) = 0.34, Probability of student plays…

Q: According to the Chronicles of Contrived Statistics (March, 2016), the probabilit that Elon Musk…

A: Given information: The probability of Elon Musk will offer free tirp is 24%. P(free trip)=0.24 The…

Q: One-Sample Test Due to grade deflation in which professor have been giving too many failing grades,…

A: 1. Consider that p is the true proportion of students passed by the particular professor.

Q: A philanthropic organization sent free mailing labels and greeting cards to a random sample of…

A: Given; A philanthropic organization sent free malling labels and greeting cards to a random sample…

Q: Calculate the mean for this series of numbers. Round to two decimal places. 34, 28, 57, 23, 45, 23,…

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Q: What kind of metrics are the What does the Ljung Box Q

A: SIC (Schwarz information criterion, aka Bayesian information criterion BIC) AIC (Akaike information…

Q: Which of the following scatter plots shows a negative correlation?

A: In this case, we need to identify the correct option for the given statement.

Q: 9. What is Student's t-distribution? A. A distribution that is slightly different from normal, and…

A: T distribution is use for small samples

Q: In order to reduce green gas emissions as well a s generate clean energy, scientists from Argentina…

A: There must be retatin the equal to sign of our hypothesis under null hypothesis.

Q: Use the accompanying frequency distribution, which shows the number of voting-age citizens in a…

A: Given that ; A frequency table is given  f represents frequency  R. E. Represents  relative…

Q: supposing that he is also going to the bar that weekend, is only 10%. What is the probability that…

A: here define events  john will go to bar = B john will go to hiking = H

Q: A certain drug test is accurate 97% of the time. If the test is given to 2200 people who have not…

A: Solution-: Given: n=2200,q=0.97 (Or 97%) We want to find P(at most 70 will test positive)=?

Q: Of 500 random people surveyed, 72 were smokers.  Find the 95% confidence interval. SE=0.0157

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