In a sample of 100 adults selected randomly from one town, it is found that 15 of them have exposed to a particular strain of the flu. At the 0.05 significant level, test the claim that the proportion of all adults in the town that have been exposed to this strain of the flu does not equal 14 %. 24) Find the P-value: A) 0.773 B) 0.385 C) 0.733 D) 0.05 25) Your conclusion A) Reject Ho: Support the claim B) Reject Ho: Not to support the claim C) Fail to reject H, :Not to support the claim D) Fail to reject H: Support the claim

Q: In a random sample of size 58, 29 people say they generally get less than 8 hours of sleep a night.…

A: Solution: Let X be the number of people say they generally get less than 8 hours of sleep a night…

Q: For a particular population, a sample of n = 4 scores has a standard error of 6. For the same…

A: Given data,If n=4 then σx =6 If n=16 σx=?

Q: A factory has reported that 81%of their mechanical keyboards remain in a consumer's household over a…

A: Let's find.

Q: To determine this, you test the following hypotheses:   Select one: H0:p1=p2 vs Ha:p1p2 H0:p1=p2…

A: From the given data  Option (4) is correct to test the hypothesis  ie, Null hypothesis:H0:p1=p2…

Q: In a random sample of 1,250 adult drivers, 450 said that they would cut their driving by 10 percent…

A:

Q: O Compute a 75% Chebyshev interval around the sample mean.

A:

Q: A medical researcher says that less than 82% of adults in a certain country think that healthy…

A:

Q: a servery of 1200 adults and children in the unittest states has shown that more people have lost a…

A: Population interest :  people have lost a close connection with nature

Q: An education researcher claims that at most 7% of working college students are employed as teachers…

A: Given : n = 300 p̂= 0.08

Q: In a random sample of n = 500 drivers, 115 individuals say that they never wear a seatbelt when…

A: The random variable X follows binomial distribution. The sample size is 500. The number of successes…

Q: .The average length of a flight by regional airlines in the United States has been reported s464…

A: We have given that  Sample size n = 30 Sample mean =479.6 Standard deviation =42.8

Q: Ashudy w conducted to determine the proportion of people who dream in black and white instead of…

A:

Q: According to a certain government agency for a large country, the proportion of fatal traffic…

A: The sample size is n=105 The number of favorable cases x=47 The sample proportion is…

Q: In testing H0: zippity-do-dah against H1: winter is coming, with a 5% level of significance, the…

A:

Q: d. How many member organizations need to be selected to have 95% confidence of estimating the…

A: d. A random sample of 100 member organizations is considered in which 40 members organizations have…

Q: A report in LTO stated that the average age of taxis in the Philippines is 12 years. An operations…

A:

Q: A political pollster is engaged by a politician to estimate the propor- tion of registered voters in…

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: A large national union claims that the proportion of women in the union is significantly different…

A: Denote p as the true proportion of women in the union.

Q: The average monthly cell phone bill was reported to be $52.36 by the U.S. Wireless Industry. Random…

A:

Q: b. Find an estimate of p2, the true proportion of less-experienced bidders who fall prey to the P2…

A: The number of less experienced bidders (n2) is 138.

Q: The research examining the effects of preschool childcare has found that children who spent time in…

A: a) Null hypothesis: H0: µ1 = 81. Alternative hypothesis: H1:µ1> 81. .Here, the sample mean, M is…

Q: In a survey of 500 drivers from the South, 408 wear a seat belt. In a survey of 370 drivers from the…

A:

Q: A sample of n = 100 scores is selected from a population with u = 100 with o = 30. On average, how…

A: The formula of the standard error of the mean is,

Q: According to a certain government agency for a large country, the proportion of fatal traffic…

A: Givenn=106x=48p^=xn=48106=0.4528α=0.01

Q: (i) In a survey, consider two large samples of size 1550 and 1750 (in numbers), which have mean 64.5…

A: Please note that both the questions provided are two completely different questions. As per our…

Q: The US National Survey on Drug Use and Health reports that 4.8% of persons 12 and older regu- larly…

A: Note: " Since you have asked multiple sub-parts, we will solve the first three sub-parts for you. If…

Q: Based on information from a previous study, r1 = 30 people out of a random sample of n1 = 107 adult…

A: Here is given that r1 = 30    r2 = 46    n1 = 107   n2 = 107 we will find proportions of both…

Q: Fifty-five customers of a large-chain grocery store are asked to fill out an in-store survey. One of…

A: Given data Fifty-five customers of a large-chain grocery store are asked to fill out an in-store…

Q: survey of 300 union members in New York State reveals that 112 favor the Republican candidate for…

A: The sample proportion is computed as follows,  The value of z at 98% confidence level is 2.326,…

Q: In a sample of 40 people 40% are black. Test the null hypothesis that the population proportion of…

A: A sample of 40 people; n=40 40% are black; p^=0.40 Population proportion of black; p=0.2

Q: Based on information from a previous study, r1 = 37 people out of a random sample of n1 = 97 adult…

A: The proportion of adult Americans who did not attend college believe in extraterrestrials is, Thus,…

Q: According to a certain government agency for a large country, the proportion of fatal traffic…

A: Given : p = 0.37 n = 114

Q: In a population with o = 8, a score of X = 44 corresponds to a z-score of z= -0.50. What is the…

A: Here, standard deviation is 8, X = 44, and z = –0.50.

Q: Two different types of injection-molding machines are used to form plastic parts. A part is…

A: a) Given information: n1=300 n2=300 x1=16 x2=8…

Q: A tax accountant would like to test the claim that the proportion of individuals who owe when filing…

A:

Q: A research poll showed that 1282 out of 2040 randomly polled people in a country favor the death…

A: Confidence interval:A range of values such that the population parameter can expected to contain for…

Q: In a survey, 31% of the respondents stated that they talk to their pets on the telephone. A…

A: The hypothesized proportion is 0.31.

Q: A sample of birth weights of 48 girls was taken. Below are the results (in g):

A:

Q: A major corporation noted that last year its employees averaged - = 5.8 (o = 2.15) absences during…

A: "Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: a researcher conducts a hypothesis test using a sample from an unknown population. if the t…

A:

Q: 7.A random sample Of 400 Old men revealed 100 like hybrid cars, while 200 young men revealed 20 like…

A: Givenx1=100n1=400p1^=x1n1=100400=0.25x2=20n2=200p2^=x2n2=20200=0.1

Q: A potato chip company produces a large number of potato chip bags each day and wants to investigate…

A: Introduction: The assumptions and conditions under which a claim about a population proportion can…

Q: According to a certain government agency for a large country, the proportion of fatal traffic…

A: Given information: According to a government agency for a large country, the proportion of fatal…

Q: The following table shows the results of a screening test hypothesized to identify persons at risk…

A: From the provided information, True positive = 45 False negative = 28 True negative = 1274 False…

Q: In a random sample of  320  cars driven at low altitudes,  50  of them exceeded a standard of  10…

A:

Q: The research examining the effects of preschool childcare has found that children who spent time in…

A:

Q: if a treatment sample has n = 22 and a control sample of n = 20, the independent measures t test has…

A:

Q: A medical researcher says that less than 82% of adults in a certain country think that healthy…

A: Given  Hypothesis  Ho: p≥0.82 vs H1: p<0.82 (left tailed) Zo=-1.28

Q: According to the central limit theorem, for samples of size 64 drawn from a population with u = 800…

A: Solution: From the given information, µ=800 and σ=56.

Q: The distribution of the weights of a sample of 1,400 cargo containers is symmetric and bell-shaped.…

A:

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.