ean waiting time for these 40 patients (to 2 decimals). 3 edian waiting time (to 2 decimals). = ode (to 2 decimal). 40 45 42 45 45 45 55 42 4 40 49 49 43 44 walt Tim 46 45 46 41 40 42 43 40 45 37 (minutes 49 38 41 48 42 41 42 49 61 39 44 51 45 42 43 41 40 43 37 43

Q: The table below presents the utility costs (in '000) of a group of your friends. The frequency of…

A: Step 1:Here is the given table,Boundariescumulative…

Q: 1260 4. A random sample of 16 communities in western Kansas gave the following information for…

A: Given information: First sample size, n1=16 The data is provided as: 96 89 118 130 92 123 112 93…

Q: The average American gets a haircut every 39 days. Do college students get their hair cut less…

A: A hypothesis test is a statistical  method that uses sample data to evaluate a hypothesis  about a…

Q: You wish to test to see if the treatments whose code names are given in the chart give immunity that…

A:

Q: 3. A sample of 30 houses (data set: House) that were sold in the last year was taken. The value of…

A: Here dependent variable (y) is the value of the house.There are four independent variables.x1 = The…

Q: 20. Advertising: Readability The following is a list of the number of three-syllable (or longer)…

A: As per guidelines we will only answer first three subparts, please repost the questions for other…

Q: Assuming all conditions for conducting a hypothesis test are met, what a OA. Ho: = 75 bpm H₁: >75…

A: Given, population mean ( µ ) =  75bpm significance level (α) = 0.01 sample size(n) = 50

Q: A viral infection is spread by contact with an infected person. Suppose that an infected person has…

A: Here we want to find minimum number of cases for higher than 25%

Q: a) If you take a sample of size 60, can we say that the sampling distribution of p is approximately…

A: a)  p = 0.05 n = 60 N = 22000 np = 60(0.05)      = 3.0 n(1 - p) = 60(1 - 0.05)              = 57 10n…

Q: Briefly describe in less than 50 words what each of the subplots in Figures reveal about the data.

A: The objective is to interpret the given plots

Q: 1. The table shows the number of deaths in the U.S. in a year due to a variety of causes. For these…

A: The total population of the USA is given to be312 million. The table below shows the number of…

Q: Suppose X~N(170,11) and Z~N(0,1). If z = 0.73, what is it on an X scale?

A: From the provided information, X~N(170,11) and Z~N(0,1) Mean (µ) = 170 Standard deviation (σ) = 11 z…

Q: Suppose X~N(102,16) and Z~N(0,1). If z = -0.71, what is it on an X scale?

A: Solution: From the given information, X follows normal distribution with mean µ=102 and standard…

Q: A study was conducted on the lengths of the logs from each lot from the question above. Samples were…

A: Given information:

Q: We wish to demonstrate that the average time to graduate from Tulane is affected by the students…

A: Claim : students who have taken AP calculus in high school graduate an average of more than 0.25…

Q: ​        15,\ 13,\ 12,\ 18,\ 20,\ 19,\ 1215, 13, 12, 18, 20, 19, 12  ​ ​Find the first, second, and…

A: the given data is 15,13,12,18,20,19,12 arrange the data  in increasing order 12,12,13,15,18,19,20…

Q: The histogram displays the number of 2015 births among U.S. women ages 10 to 50. Each bin represents…

A: In this case, each bin of the histogram represents 2 years.

Q: . If z = 0.13, what is it on an X scale?

A: here given , Suppose X~N(123,20) and Z~N(0,1) here z = 0.13. z follow standard normal distribution…

Q: Suppose X~N(176,14) and Z~N(0,1). If z = -1.45, what is it on an X scale?

A: From the provided information, X~N (176, 14) and Z~N (0, 1) Mean (µ) = 176 Standard deviation (σ) =…

Q: 10. We want to test a claim that the proportion of people with type 2 diabetes is higher than 0.09.…

A: Given,n=400x=45p^=xnp^=45400=0.1125H0:P=0.09H1:P>0.09

Q: The 1Q score and brain volume are listed for each of five different subjects. Reler to the table of…

A: Explanation: IQ score and  brain volume both are the ordinal data. Ordinal data are numbers to take…

Q: To determine if smoking negatively affect one's ability to become pregnant, Michelle looks e…

A: Michelle is trying to determine if smoking negatively affects one's ability to become pregnant by…

Q: all students who picked up all the tests they completed prior to taking the final exam. Suppose…

A: Given,Sample 1 :sample size (n1) = 56sample mean (x̄1) =  83sample standard deviation (s1) = 10.4…

Q: A home pregnancy test was given to women, then pregnancy was verified through blood tests. The…

A: Solution: The given table of data is

Q: The value for x2 will have an upper tail area of 0.05. There are k = 3 populations and k - 1 = 2…

A: From the provided information, Degree of freedom = k – 1 = 3 – 1 = 2 Level of significance (α) =…

Q: How much do wild mountain lions weigh? Adult wild mountain lions (18 months or older) captured and…

A: Given data, 71, 110, 129, 122 ,60, 64

Q: The data set given in DS 13.2.4 extends the data set used in Problem 12.2.6 to include an…

A: As per the question, we are asked to fit a multiple linear regression model to assess whether the…

Q: uppose X~N(177,17) and Z~N(0,1). If z = 0.75, what is it on an X scale?  Express your answer to two…

A: given data, X~N(177,17)Z=0.75μ=177σ=17