An advantage of preregistration is that it keeps researchers from: a. inadvertantly making a Type 2 error b. inadvertantly making a Type 1 error c. changing the plan for data analysis retrospectively d. starting new studies before the initial one is complete

Q: Applying the continuity correction to use the normal approximation to the binomial distribution, it…

A: we know, z score: z = x-μσ μ=30σ=24 Find P(x≥44.5)

Q: A researcher wants to know if the news station a person watches is a factor in the amount of time…

A: Answer                   Fox              CNN             Local                    54…

Q: Use the time/tip data from the table below, which includes data from New York City taxi rides. (The…

A: Given that The regression question is,  y= 1.30+0.0155*x

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A: It is given that sample size (n) is 70  and x is 50.

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A: As per the Bartleby guildlines we have to solve first three subparts and rest can be reposted....…

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A: Given Fri. 6th 7 8 10 9 7 12 Fri. 13th 11 10 11 10 12 14 α=0.05

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Q: 8) A car insurance company has determined that 6% of all drivers were involved in a car accident…

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Q: ther it is recurrent or transient, (4) list any absorbing state(s), the states, (6) determine…

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Q: K Find the critical value(s) and rejection region(s) for the indicated t-test, level of significance…

A: According to the given information in this question We need to find the critical value

Q: The table shows the magnitudes of the earthquakes that have occurred in the past 10 years. Use the…

A: The table shows the magnitudes of the earthquakes that have occurred in the past 10 years. Use the…

Q: Assume that the mathematics scores on the SAT are normally distributed with a mean of 500 and a…

A: normal distributionμ = 500σ = 100P(570<x<640) = ?

Q: 22.6 16.1 36.1 36.0 23.8 20.3 D A. 3999.0 B. 8.35 OC. 36.1 OD. 4347.7

A: The data set are :- 22.6, 16.1, 36.1, 36.0, 23.8, 20.3 Then,  We will find the standard deviation…

Q: the standard The table entry for z is the area to the left of z. To the left of z = 1 your TABLE 5A…

A: X~N( 0 , 1 )   μ=0 , ?=1 (for standard normal distribution)   Z-score =( x - μ )/?

Q: Use the time/tip data from the table below, which includes data from New York City taxi rides. (The…

A: We have to use ( time / tip ) data from table :  Time is predictor( independent variable X)  Tip is…

Q: Referring to Problem 1, test at the 5% level of significance: H₁: µ = 800 versus H₁ μ800. What is…

A:

Q: Based on the results that follow, do you think that the standard deviation is different from the two…

A: Let σ be the population standard deviation. Given that, Population standard deviation (σ)=2Sample…

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A: The grades and gender are summarized below,   A B C Total Male 6 13 15 34 Female 3 4 14 21…

Q: a. State the null and alternative hypothesis for the claim that a good gaming computer costs at…

A: Population mean μ =990

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A: Answer  Given 42,50,14,28,52,72,2,32,34,34,12,58,60,34,78,30,28,44 Position                     X…

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A: Margin of error (E) = 0.5 population standard deviation (σ) = 2.7 pound confidence level = 95%

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Q: Suppose that in Problem 1 only 25 of 36 randomly selected family caregivers responded, so we have…

A: Let X be the age. The given data for X is 55, 53, 47, 47, 49, 43, 47, 40, 48, 41, 44, 51, 48, 43,…

Q: The following table lists length of stay (days) in hospital for a sample of 25patients…

A: Frequency is the count of number of times an observation occurred. The relative frequency is…

Q: The following table gives the average number of hours 7 junior high students were left unsupervised…

A: Hours Unsupervised(x) Overall grades(y) 1 96 2 92 2.5 84 3 80 4 72 5 64 5.5 60

Q: The length of a stalactite (in mm) has been measured at the beginning of every fourth year since the…

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Q: You are conducting a study to see if the proportion of voters who prefer the Democratic candidate is…

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Q: In clinical trials of 3066 patients taking treatment​ A, 790 reported nausea as a side effect. In…

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Q: A survey of a group's web habits for the past month obtained the following information. 44% visited…

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Q: The university data center has two main computers: computer 1 and computer 2. A new routine has…

A: For comuter 1n1=8, x¯1=55, s1=15For computer 2n2=15, x2=65, s2=19α=0.05 Note:- As per the Bartleby…

Q: A recent survey by the U.S. Census Bureau determined that the median monthly housing rent was $642.…

A: a) The first quartile of monthly housing rent was $485.

Q: 4. Bags of a certain brand of tortilla chips claim to have a net weight of 14 ounces. Net weights…

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Q: ciation claims that the mean annual cost of food for dogs and cats are the same. The results for…

A: Sample sizes n1=15  , n2=9 Sample means x1=213  , x2=178 Standard deviation s1=38   ,s2=34

Q: domly selected medical students, 21 said that they planned to work in a rural community. Find a 95%…

A: Sample size n =380 Favorable cases x =21 Sample proportion p^=x/n  =21/380 =0.0553

Q: Pyramid Lake is on the Palute Indian Reservation in Nevada. The lake is famous for cutthroat trout.…

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Q: Six sets of identical twins were randomly selected from a population of identical twins. One child…

A: It is required to test if the experiment helped promote critical thinking.

Q: How much will you have from the IRA when you retire at age 65? Use this formula:   Find how much…

A:

Q: Food inspectors inspect samples of food products to see if they are afe. This can be thought of as a…

A: This is an example of a Type I error. A Type I error occurs when the null hypothesis (in this case,…

Q: how did the answer to T become -5.31 in step 2

A: The sample mean is 12.36%. The hypothesized mean is 13.4%. The standard deviation is 3%. The sample…

Q: The Law of Large Numbers and the Central Limit Theorem both require that the underlying random…

A: We will explain statistical properties  required for the Law of Large Numbers and the Central Limit…

Q: If 15 people are called for jury duty, what is the probability that all 15 will be available to…

A: AS PER GUIDELINES I HAVE CALCULATED 3 SUBPARTS PLZ REPOST FOR REMAINING.  p = probability that…

Q: Use the time/tip data from the table below, which includes data from New York City taxi rides. (The…

A: x is the predictor variable (time) y is the response variable (tip) Time(x) Tips(y) 27.00 0.00…

Q: d) Which one of the designs from part c of this question works? Why? Note: calculate and use the…

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A: The estimated regression equation is Defects per counter top=6.717822-1.004950Hours of Training. The…

Q: Find the area of the shaded region. The graph depicts the standard normal distribution of bone…

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Q: 16% of all college students volunteer their time. Is the percentage of college students who are…

A: Sample size n =347 Favorable cases x =38 Sample proportion p^=x/n  =38/347 =0.1095 NOTE:- According…