The body temperatures of a group of healthy adults have a bell-shaped distribution with a mean of 98.39°F and a standard deviation of 0.66°F. Using the empirical rule, find each approximate percentage below. a. What is the approximate percentage of healthy adults with body temperatures within 2 standard deviations of the mean, or between 97.07°F and 99.71°F? b. What is the approximate percentage of healthy adults with body temperatures between 97.73°F and 99.05°F? ... a. Approximately % of healthy adults in this group have body temperatures within 2 standard deviations of the mean, or between 97.07°F and 99.71°F. (Type an integer or a decimal. Do not round.)

Q: The president is doing a good job. The president is doing a poor job. I have no opinion. total of…

A:

Q: Bata Below represent commute times (in minutes) and scores on a well-being survey. Complete parts…

A: Use EXCEL to determine the regression equation.   EXCEL procedure:   Go to EXCEL Go to Data>Data…

Q: if a hypthosis test produces a z-score in the critical region which decision should be made?

A: It is given that the z-score is in the critical region.

Q: (c) Percentage of consumers who recycle and live in a state with a deposit law. (Round your answer…

A: c) The number of consumers is 1000.

Q: Homework: Set - Prerequisite Week 6 Homework Check here for instructional material to complete this…

A:

Q: In a sample of12randomly selected high school​ seniors, the mean score on a standardized test…

A: We have given thatSample size (n) = 12Sample mean (x̅) = 1193Standard deviations (s) = 168.9…

Q: Q1/b- Complete the following table and then find the arithmetic and harmoni mean of the following…

A: Class Frequency (f) Mid value (x) f⋅x cf 10-14 4 12 48 4 15-19 3 17 51…

Q: What is the Sample Skewness for the following numbers: 146, 140, 102, 59, 79, 60, 71, 74, 94…

A: From the data, x (x-ˉx)=(x-91.6667) (x-ˉx)2=(x-91.6667)2 (x-ˉx)3=(x-91.6667)3 146 54.3333…

Q: The pie chart shows the classifications of students in a statistics class. What percentage of the…

A: Given  The percentage of the class consists  of freshman = 10%  The percentage of the class consists…

Q: Q4: Find for the following data (7, 3,5,6,2,8,4) the mean absolute deviation, variance and standard…

A:

Q: distribution and let Y=2X2-1 X -1 0 1 2 f(X) .1 .2 .4 .3 1) What is the joint distribution…

A: Solution

Q: Give me the standard deviations for each of these data sets. 1.…

A: Given information- We have given the data sets we have to find the standard deviations.

Q: Let X be the number of defect bottles from an operation of manufacturing water bottles in a carton…

A: Number of cartons, N = 40 Level of significance, α=0.01 Number of defects 0 1 2 3 Frequency 3…

Q: Compute the mean and standard deviation of the random variable with the given discrete probability…

A: Given data is x P(x) -9 0.11 -7 0.24 0 0.26 3 0.25 5 0.14

Q: What percentage of the class consists of freshman, sophomores, and juniors? A) 14% B) 86% C) 54% D)…

A:

Q: A stem-and-leaf plot for the number of touchdowns scored by all Division 1A football teams is shown…

A: Solution

Q: Let X(t) be a WSS random process. Show that for any a > 0, we have P{|X(t +T)= X(t)| > a} < 2Rx(0) -…

A: From the given information, X(t) be a WSS random process with parameters EXt=0 and RXτ. Consider,…

Q: Q4: The following data represent weights for 25 items construct a frequency distribution table: 15,…

A: It is given that the data in discrete form that represents the weight of 25 items.

Q: Data is drawn from a binomial (5, 0) distribution, where is unknown. Here is the table of…

A:

Q: The patient recovery time from a particular surgical procedure is normally distributed with a mean…

A: Given Mean(μ)=3standard deviation(σ)=2

Q: The title suggests that an action research design was used for purposes of this study. What…

A: Note: In case of multiple subparts, answer to first three subparts will be provided. Kindly post…

Q: An independent consumer group published its finding that the lifetimes of electric bulbs…

A: GivenMean(x)=620standard deviation(s)=124.5BIG Corporation claims that the standard deviation of its…

Q: Q3: The annual rainfall was measured in the Western Desert during a period of one year, and the…

A: Mean is the average value. Median is the middle most value. Mode is the value with highest…

Q: Q3: The annual rainfall was measured in the Western Desert during a period of one year, and the…

A:

Q: Find the z value of 0.6988

A: Standardized z-score:   The standardized z-score represents the number of standard deviations the…

Q: Quantitative data are values that are categorical, describing a characteristic such as Colour or…

A: Here use definition of quantitative data  Quantitative data are those values which are measurable

Q: a) Sketch the region corresponding to the statement P(Z < − 1.4). Shade: Left of a value to adjust…

A: Standardized z-score:   The standardized z-score represents the number of standard deviations the…

Q: Corrupted by their power, the judges running the popular game show America's Next Top Mathematician…

A:

Q: What is the type of the variable "The names of Kuwaiti hotels"? O a Qualitative - Nominal O b.…

A: Solution-: What is the type of the variable "The names of Kuwaiti hotels"? (a) Qualitative - Nominal…

Q: Q1/b- Complete the following table and then find the arithmetic and harmonic mean of the following…

A: Given Categories repetitions 10 - 14 4 15 - 19 3 20 - 24 4 25 - 29 1 30 - 34 3 35 -…

Q: what assumptions are required for a z-score hypthesis test?  A. all of the above B. The score in…

A: Assumptions of z test: Samples are independently drawn from the population. Samples are randomly…

Q: Let (W) be the birth-and-death process on Z+ {0, 1,2,...} with the following transition…

A:

Q: F(x) = x < -1 = 0 F(x) = -1 ≤ x < 0 = .15 F(x) = 0 ≤ x < 2 = .3 F(x) = 2 ≤ x < 3 = .5 F(x) = 3 ≤…

A: Solution

Q: Let X, and X, independence r.v. have same moment generating function (1-2) where Isa, let Y=aX,…

A:

Q: 2. Select B: A card is drawn from a well shuffled pack of 52 cards. Find the probability of: (i) '2'…

A:

Q: Find the indicated z score. The graph depicts the standard normal distribution with mean 0 and…

A: Let Z be the random variable from standard normal distribution with mean = 0 and standard deviation…

Q: that the test result is dirty TC= event that the test result is clean D = event that the person…

A: Given: TD: event that the test result is dirty TC: event that the test result is clean D: event that…

Q: A sample of 201 students enrolled at a liberal arts college was asked questions about how many hours…

A: Given that  Sample size (n)=201  Sample mean =7.72 hours  Sample standard deviation= 1.14 hours…

Q: Are these population or sample data? Select an answer ♥ What is the range for this data set? What is…

A: Here we have given the data on the final exam scores of 15 students in a small calculus class. We…

Q: The highway fuel economy of a 2016 Lexus RX 350 FWD 6-cylinder 3.5-L automatic 5-speed using premium…

A:

Q: Suppose events A and B are independent and P(A) =  1 4     P(B) =  1 3 Find the probability. (Enter…

A: If A and B are independent the P(A and B) = P(A)*P(B).

Q: Find the sample size needed to estimate the mean age of movie patrons such that it can be said with…

A: Note: As per guidelines we are supposed to solve only one question at a time. Please repost the…

Q: When two pink flowers (RW) are crossed, there are four equally likely possible outcomes for the…

A:

Q: 7. The stem-and-leaf display below gives the test scores for the 18 students in Prof. Bennett's…

A: Given stem-and-leaf plot is: Stem Leaf 3 9 4 458 5 22356999 6 112678999 7   8   9 9

Q: You are planning a three-day trip to Seattle, Washington, in October. Use the fact that on each day,…

A: It is given that each day is equally likely to be sunny or rainy.

Q: A manufacturer of television sets claimed in its warranty that in the past only 10% of its sets…

A:

Q: In the vehicle speed test, the results were given in the table below: Find: 1. skew modulus 2.…

A: Required: To find skewness coefficient and kurtosis coefficient of grouped data. Skewness is a…

Q: Question 2(a). The data below provide information about 23 observations taken in a series of…

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

Q: The following is a set of data from a sample of n=11 items. Complete parts​ (a) through (c).   X 19…

A: (a)   Use EXCEL to obtain the value of sample covariance.   EXCEL procedure:   Go to EXCEL Go to…

Q: What is the probability that a registered voter voted in the election? The probability that a…

A: The probability of an event is defined as,