Sam did a survey and found out that 92% of all seniors are ready to graduate and leave for college. She decided to then look strictly at PHS and the 78 seniors. Sam wants to have a 90% chance of being correct on the most number of people that answer that they are ready to graduate and leave for college. What number of people should she expect at most to answer?

Q: A psychologist conducted a survey of the attitude towards the sustainability of American energy…

A: The provided data is,

Q: A health psychologist wanted to test if discussing the health disparities of a patient with their…

A: given information :n=20      µ=40 ,σ=70,α=0.05 x_bar=56.7 hypothesis define: H0.u=40H1: μ not equal…

Q: A survey of 62 men found that 12 have a social media account. Another survey of 57 women found that…

A: Men are taken as group 1. Women are taken as group 2.   Given: n1=62x1=12n2=57x2=40α=0.07

Q: A survey of 78 men found that 10 have a social media account. Another survey of 51 women found that…

A: Given Information: Women: Sample size (n1) = 51 Out of which X1 = 26 have a social media account.…

Q: The proportion of Americans who have frequent migraines is 15.2% according to the CDC. An…

A:

Q: At the 5% level, is there enough evidence to show that the proportion of Australians in November…

A: It is given that Sample size n = 631 Number of Australian thought unemployment would increase, X =…

Q: A teacher designed an experiment to see whether students would do better on a quiz when it was…

A: Introduction: Number of students who took the test on yellow paper = 40. Number of students who…

Q: You are concerned that nausea may be a side effect of Tamiflu, but you cannot just give Tamiflu to…

A: Given : Past research indicates that about 30% of people who get the flu experience nausea , p0 =…

Q: A health psychologist wanted to test if discussing the health disparities of a patient with their…

A: As we are authorized to answer only 3 subparts for each question and that you haven't specified…

Q: In a class of 95 students, the heights of two students were measured and found to be 165 cm. If this…

A:

Q: ching basketball to football?

A: We have to use % formula to solve the problem

Q: 6 of the last 10 sundaes sold had nuts. Considering this data, how many of the next 5 sundaes sold…

A: The probability that sundaes sold had nuts is, Psold sundaes have nuts=610=0.6 The probability that…

Q: A polling organization issued a report describing a survey it conducted in which it asked a random…

A: Given information: Factor Percentage of Investors Very Worried Percentage of Investors Somewhat…

Q: . In Exton School, 60% of the boys play football and 36% of the boys play ice hockey. Given that40%…

A: Let us define the events as, A: Boys who play football.B: Boys who play ice hockey. From the given…

Q: Phineas Phillips, from Philadelphia, has a fascination with fun phone facts. But Phineas has…

A:

Q: In a study examining the relationship between coffee consumption and heart disease, the researcher…

A: Correlation: It measures the strength of the relation between the variables. The sign of the…

Q: In a  lab ,the coronavirus  vaccine causes negative effects  in 3 out of every 100 patients . 5…

A: Given,n=5p=0.03X~Binomial(n=5,p=0.03)P(X=x)=cxn px(1-p)n-x ;X=0,1,.....n

Q: During the summer of 2020, about 68% of San Diego young adults played a game called Animal Crossing.…

A:

Q: Miller Junior High is considering changing its school colors.  The results of a survey that 16 out…

A: Topic : unitary method

Q: A child dying from an accidental poisoning is a terrible incident. Is it more likely that a male…

A: Given: A child dying from an accidental poisoning.  It is showed that out of 1830 children between…

Q: Some people seem to believe that you can fix anything with duct tape. Even so, many were skeptical…

A: Given that,sample one, x1 =60, n1 =103, p1= x1/n1=0.5825sample two, x2 =88, n2 =101, p2=…

Q: Travis took the ACT (μ=19.50,σ=7) and recieved a percentile of 67. What was his z score? What was…

A: you had not provided distribution of sat score so we can not find answer of c.

Q: About 7% of males are colorblind. Hoping to find many colorblind men for her study, a researcher…

A: It is given that p =0.07 and n = 433.

Q: Sam has conducted a survey to get more information about healthy diets. He hands his survey out to…

A: Given:   Out of 100, only 45 people choose to participate

Q: You are concerned that nausea may be a side effect of Tamiflu, but you cannot just give Tamiflu to…

A: (a) Denote μ as the true percentage of people experiencing nausea, among those who have flu and are…

Q: The U.S. Department of Transportation, National Highway Traffic Safety Administration, reported that…

A: Given , Sample size = n = 54 Number of intoxicated driver = x = 35 Sample proportion = p^ = 3554 =…

Q: Do these data suggest that freezing is less successful than duct tape in removing warts? Test the…

A: Let pnitrogen denotes the population proportion of liquid nitrogen freezing who wart successfully…

Q: A survey asks: Which online services have you used in the last month: - Twitter Facebook - Have used…

A:

Q: At Sundae King, 6 of the last 10 sundaes sold had nuts. Considering this data, how many of the next…

A: We have to find correct answer

Q: A cafeteria manager surveyed a random sample of students at a school to determine which of 2 meal…

A:

Q: A relative risk of 5.67 indicates that the group of individuals in a study exposed to the particular…

A: Given data: A relative risk of 5.67 indicates that the group of individuals in a study exposed to…

Q: Has the proportion of Americans that are "20-somethings" decreased? According to the US Census…

A: Solution-: Given: x=65,n=500,P0=0.151,α=0.10 We want to determine, (e) p-value=? (f) At α=0.10…

Q: . An introductory stats professor hypothesizes that 50% of students learn best by watching the…

A: Test is that whether distribution of students is such that 50% of students learn best by watching…

Q: According to a U.S. news poll, 38% of students in the class of 2013 had done an internship during…

A: We have  to find correct answer...

Q: Mr. White collected data from his eighth grade class on whether they prefer the zoo or the museum.…

A:

Q: A seven-year medical research study reported that women whose mothers took the drugDES during…

A: Given information, A seven-year medical research study reported that women whose mothers took the…

Q: The seniors in my math classes were asked about whether they would pay for either a senior trip or a…

A: The question is about categorical data analysis Given :   To test : A senior trip is more popular…

Q: In 2001, the Gallup poll found that 81% of American adults believed that there was a conspiracy in…

A: Given that, x=634,n=1039 The sample proportion is,

Q: who is more likely to attend both activities?

A: here use concept of independent event if A and B independent events then p(A and B ) = p(A).p(B)

Q: what is the predicted value for the return of GM given that the S&P500 return is 5% 2 The number of…

A: The regression equation is GM^=0.005860+0.904753S$P500.

Q: The Centers of Disease Control and Prevention has launched studies of drug-resistant gonorrhea. Of…

A: Given  X1=8, n1=145, X2=18, n2=130 Pcap=X/n  We want to find the test statistic

Q: health psychologist wanted to test if discussing the health disparities of a patient with their…

A: Here it is given that- Population mean (μ) = 40 Population standard deviation (σ) = 70 Total number…

Q: A Verizon researcher compared the number of text messages sent by a sample of teenage boys to the…

A: a) In this case, the Verizon researcher compared the number of text messages sent by a sample of…

Q: Q4. A researcher wanted to estimate the difference between the percentages of users of two brands of…

A:

Q: USA Today posted this question on the electronic version of its newspaper: “Should guys pay for…

A: An experiment deliberately imposes some treatment on individuals in order to observe their…

Q: According to the U.S. Department of Labor, as of May 2009 the median annual salary for a physical…

A: Assume X be the random variable representing the annual salary of a physical therapist (in dollars).…

Q: In fall 2014, 38% of applicants with a Math SAT of 700 or more were admitted by a certain…

A: LetA - Percent math S A T score of less than 700 or more in all applicants.B – Percent math SAT…

Q: What is the proportion of free apps available in the App store?

A: A survey of Android Apps bought in the App store, indicated that 50% were related to music, 30%…

Q: Do bathroom scales tend to underestimate a person's true weight? A 150 lb test weight was placed on…

A: The test hypotheses are given below: Null hypothesis:H0:p≤0.50 Alternative hypothesis:H1:p>0.50

Q: A random sample of 40 students from each grade level was surveyed regarding their preference for a…

A: I have given an answer in step 2.

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.