Population of College Cities College students often make up a substantial portion of the population of college cities and towns. State College, Pennsylvania, ranks first with 71.1% of its population made up of college students. What is the probability that in a random sample of 160 people from State College, more than 50 are not college students? Round the final answer to at least 4 decimal places and intermediate z-value calculations to 2 decimal places. P (X>50)=

Q: What percent of the department faculty have less than 25 years of service? Answer:  % (b) If a…

A: From the given histogram we need to answer certain questions.

Q: The mean percent of childhood asthma prevalence in 43 cities is 2.34%. A random sample of 31 of…

A:

Q: At a certain University, the chance of a student receiving financial aid is 73%. 15 students are…

A:

Q: In a box of 250 components produced by a company, 2% are defectives. What is the variance of the…

A:

Q: A quick quiz consists of a multiple-choice question with 5 possible answers followed by a true/false…

A: Given dataMultiple choice questions with 5 possible answers followed by a true and false5 possible…

Q: A doctor is interested in the proportion of patients which live at least 5 years after being…

A: sample size n=196proportion mean =proportion the standard deviation is ==0.028561) it follows normal…

Q: Can you answer this for my final exam thanks Approximately 59.4% of adults have added bleach to…

A: Given,n=6p=0.594q=1-p=1-0.594=0.406X=no.of adults have added bleach to their laundry.X~Binomial (n=6…

Q: The mean percent of childhood asthma prevalence in 43 cities is 2.09%. A random sample of 34 of…

A: From the provided information, Mean (µ) = 2.09% Standard deviation (σ) = 1.29% X~N (2.09, 1.29) Here…

Q: A grocery store manager wants to know if displaying cranberries near the entrance to the store…

A: P1 : Proportion of shoppers who buy Cranberries when they are near the store entrance. P2 :…

Q: Do US college students read the local newspaper? To investigate the question a random sample of 500…

A:

Q: Objective: Probability involving percentages Business Weekly conducted a survey of recent graduates…

A: (1) Obtain the probability that less than 90% of the 77 recent graduates have an annual salary…

Q: A 10-year study conducted by the American Heart Association provided data on how age, blood…

A: Given Information:

Q: You select a card from the standard deck of cards. What is the probability that you will select a 5…

A:

Q: 32% of employees judge their peers by the cleanliness of their workspaces. You randomly select 8…

A: A binomial distribution is used when an experiment has two possible outcomes, such as success and…

Q: Claim: Most adults would erase all of their personal information online if they could. A software…

A: It is given that:

Q: One-and-One Free Throws. A basketball player is fouled in a one-and-one situation, meaning she is…

A: Given data: The given probability that the player makes the first free throw is P=0.7. a) The…

Q: child diagnosed with neuroblastoma. What are the chances that the child undergoes surgery and is…

A: .here given, According to the Children's Oncology Group Research Data Center at the University of…

Q: In a fishing lodge brochure, the lodge advertises that 75% of its guests catch northern pike over 20…

A: Single proportion test

Q: A survey of families revealed that​  58% of all families eat turkey at holiday meals. ​  44% eat ham…

A: Given data, P(Turkey)=0.58 P(ham)=0.44 P(Turkey and ham)=0.16 P(Turkey or Ham)=?

Q: The diameters of ball bearings are Casteel Clistributed normally The mean diameter Ps 89 millimeters…

A: Pobability calculated uisng R command

Q: * 00 I Question 6 The table summarizes results from 977 pedestrian deaths that were caused by…

A:

Q: If the probability of a defective light bulb is 0.01, to be 92.5 % confident, up to how many…

A: Given information: PDefective=0.01, n=40

Q: The mean percent of childhood asthma prevalence in 43 cities is 2.41%. A random sample of 31 of…

A: Guven:Mean (µ) = 2.41Standard deviation (σ) = 1.36Sample size (n) = 31

Q: 34% that a stock investement will end up in a total loss what is the chance that 1 of 3 investments…

A: It is given that, 34% that a stock investment will end up in a total loss. It means that the…

Q: We are interested in analyzing data related to college football. Use S to denote the team is in the…

A: Given information- We have given that the probability of team is in the S = 5.5% So, the probability…

Q: Seventeen percent of married couples say they are planning a trip to Europe. You randomly select 15…

A: Suppose a random variable x, defines the number of married couples, who are planning a trip to…

Q: Selected Technologies According to recent surveys, 60% of households have personal computers. If a…

A: It is given that sample size n is 151 and p is 0.60. If np ≥ 5 and n(1–p) ≥ 5 then it is appropriate…

Q: Claim: Most adults would erase all of their personal information online if they could. A software…

A: Solution: From the given information, p-hat = 0.61 and n = 593. The claim is that most adults would…

Q: Justify an answer

A: To solve this problem, we can use the binomial probability formula, as we are dealing with a…

Q: In a brand recognition study, 806 consumers knew of Starbucks, and 19 did not. Use these results to…

A: The question is based on a probability Given : No. of consumers who knew S = 806 No. of consumers…

Q: A poll showed that 45.2% of Americans say they believe that Marilyn Monroe had an affair with JFK.…

A: Given, Marilyn Monroe had an affair with JFK= 45.2% Probability that randomly selected individual…

Q: A quick quiz consists of a true/false question followed by a multiple-choice question with 6…

A:

Q: 65% of the people in Missouri pass the driver's test on the first attempt. A group of 7 people took…

A: Introduction:If X ~ Bin (n, p), then the probability mass function of X is:p (x) = (nCx) px (1 – p)n…

Q: 3. Now, take your die and roll it 30 times. Create a table below to document each roll of the die.…

A: Given the experiment of rolling a die 30 times.

Q: A city has 4 voting districts. Records from previous years show the proportion of registered voters…

A: The chi square χ2 test statistic is used to compare the proportions among the two (or) more…

Q: Babies STEM The proportion of babies born in the United States that are boys has historically been…

A: We have given that  Sample size n =45 Population proportion p =0.513

Q: The table summarizes results from 978 pedestrian deaths that were caused by automobile accidents.…

A: Pedestrian Intoxicated   Total DriverIntoxicated Yes No   Yes 52 72 124 No 263 591 854…

Q: The table summarizes results from 988 pedestrian deaths that were caused by automobile accidents.…

A: Total (231+611)= 842 cases involved drivers that were not intoxicated.  We can pick two cases from…

Q: d. What is the probability that a randomly selected giraffe will be shorter than 17.7 feet tall? e.…

A: d) We have to find P(X<17.7)

Q: survey was given to adult residents in a particular city. It found that 29% of the residents…

A:

Q: It is reported that the market share of iphones is 40%. (i.e. 40% of all cell phones are…

A:

Q: The mean percent of childhood asthma prevalence in 43 cities is 2.23%. A random sample of 34 of…

A:

Q: Q6. In a Survey, 85% of the people interviewed were unaware that maintaining a healthy weight could…

A: Given,n=20p=0.85q=1-0.85=0.15A random variable X~Binomial(n=20 , p=0.85)P(X=x)=20x0.85x0.1520-x  ;…