For adults who sailed on the Titanic on its fateful voyage, the odds ratio20 between gender (female, male) and survival (yes, no) was 11.4. 1.What is wrong with the interpretation, “The probability of survival for females was 11.4 times that for males?” Give the correct interpretation. 2.The odds of survival for females equaled 2.9. For each gender, find the proportion who survived. Find the value of RR in the interpretation, “The probability of survival for females was RR times that for males.” answer 1 and 2

Q: Use a two-proportion Z-test to determine if the proportion of people who responded positively to the…

A:

Q: Mark draws a card from a deck 10 times, with replacement. Of the cards drawn, he sees 3 Heart cards.…

A: Number of Cards in deck  = 52 Number of Hearts  = 13 On one draw, P(drawing a heart) = 13/52 = 0.25…

Q: The probability of success is 0.30. If the number of trials is 12 and the number of successes is 6,…

A: Solution:

Q: A sample has SS= 20 and s? = 4. How many scores are in the sample?

A: Six scores are in the sample.

Q: When dating someone, what matters more to you: looks or personality? This question was the focus of…

A: P value=0.0  Hypothesis. H0: μ1 − μ2 = 0 Ha: μ1 − μ2 ≠ 0 (claim)

Q: What does “statistically significant” mean in this context? (More than one answer is correct. Select…

A: Hypothesis Testing is a type of inferential procedure is statistics.

Q: A poll showed that 68.5% of Americans say they believe that Marilyn Monroe had an affair with JFK.…

A: Given information- Percentage of Americans believe that Marilyn Monroe had an affair with JFK =…

Q: On average, Metro Manila is hit by 10 typhoons a year. There is a fifteen percent chance that Metro…

A: It is given that on average Metro Manila will hit typhoons a year by 10.

Q: ve an opinion about which population will have a higher mean score. Here are her hypotheses. H0:…

A: Given The data is as follows:

Q: What is the probability he will score for the first time on his fifth shot? What is the probability…

A: Given Data Probability of success,p = 0.18 )

Q: For numbers 23-25, refer to the problem. There are one thousand tickets that are sold for P50.00…

A:

Q: A sample has SS= 20 and s2 =4. How many scores are in the sample?

A:

Q: A person rolls a 10-sided die once. What are the odds that the number rolled is not greater than or…

A: As per given by the question, What are the odds that the number rolled is not greater than or equal…

Q: Sam did a survey and found out that 92% of all seniors are ready to graduate and leave for college.…

A: From the provided information, 92% of all seniors are ready to graduate and leave for college that…

Q: The diameter of a bull-eye is 4cm. The radius of the middle blue circle is 6cm. The radius of the…

A: Topic:- probability

Q: Suppose that 18% of a random sample of 2307 Miami residents said that they will donate blood in…

A: p =0.18 n = 2307

Q: In a survey of 1150 adult males, 805 said they use the Internet. In a survey of 1050 females, 746…

A: There are two dependent variables which are males and females. The independent variable is using of…

Q: The scores on a statewide chemistry exam were normally distributed with ?=73.08 and ?=6. Gabriela…

A: Given data isMean(μ)=73.08standard deviation(σ)=6

Q: The probability of a can of paint containing contaminațion is 4.23%. The probability of a mixing…

A: We have given that  Probability of containing contamination is A= 4.23% The probability of a mixing…

Q: The test for a certain disease is 86% accurate.  A hospital tests a sample of 5000 patients for this…

A: Accuracy of the test is 86% Inaccuracy of the test = 14% N = Total number of patients = 5000…

Q: The average count calculation errors at a local accounting firm per 12-h shift are 2.8. What is the…

A: Given that : λ=2.8

Q: According to a Mobile Marketing Company's survey of 2000 people, 60% said that they use their mobile…

A: We have to find nom of successes in given sample.

Q: If the probability of winning a race is 3/8 what are the odds in favor of wining the race. Answer in…

A: From the provided information, The probability of winning a race (p) = 3/8

Q: Roy is 4 years old and in the 69th percentile for neight in his age group. Vhat does this mean? Roy…

A: The percentile is used to measure the location of a data set.

Q: A machine makes sticks of butter whose average weight is 4.0 ounces. The SD of the weights is 0.05…

A:

Q: In tests of proportions, the data is qualitative. True False

A: Qualitative data  is categorical and consists of categories or labels that cannot be easily…

Q: please, need solution  for part D. For the group of 45 patrons, find the probability that the…

A: Sample size n=45

Q: 1. How are the collection of all sample proportions of samples of size 172 distributed? NO 2. What…

A: Given Information: Sample size (n) = 172 studentsPopulation Proportion (p) = 0.51. The distribution…

Q: On average, what are the odds

A: You are a Product Manager for Hockey Equipment working at an Internet-based sports equipment…

Q: A man is 80% sure how much he loves 5 females (player, player J) but he wants to make sure he’s 99%…

A: A man is 80% sure how much he loves 5 females (player, player J) but he wants to make sure he’s 99%…

Q: John works as a weld inspector in a shipyard. Because he keeps track of good and poor welds, he…

A: It is given that  p = 5% = 0.05 Sample size, n = 300 Z = (p^ - p)/√(p(1-p)/n) 0.012583057392118

Q: Determine the probability of 3 out of 5 people getting accepted into a graduate program, where the…

A: The question is about prob. dist. Given : Total no. of people ( n ) = 5 Prob. of selecting single…