The mean height of an adult giraffe is 17 feet. Suppose that the distribution is normally distributed with standard deviation 0.9 feet. Let X be the height of a randomly selected adult giraffe. Round all answers t 4 decimal places where possible. a. What is the distribution of X? X - NO 17 b. What is the median giraffe height? 17 0.9 ft. c. What is the Z-score for a giraffe that is 19 foot tall? d. What is the probability that a randomly selected giraffe will be shorter than 17.1 feet tall? e. What is the probability that a randomly selected giraffe will be between 17.9 and 18.8 feet tall?

Q: If a card is drawn at random from a pack of 52 cards,what is the chance of getting a spade or ace?

A:

Q: There are many statistical tools used to estimate relationships between variables. These include…

A: The table as required is given in step:2

Q: QUESTION 5 In a prior sample of corn, farmer Carl finds that 16% of the sample has worms but the…

A: Givensample proportion(p^)=16%=0.16Margin of error(E)=1.5%=0.015Confidence level=90%

Q: The population of weights for men attending a local health club is normally distributed with a mean…

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

Q: Listed below are body temperatures from five different subjects measured at 8 AM and again at 12 AM.…

A: Answer: From the given data, Let μ1 represent the mean body temperatures measured at 8 AM Let μ2…

Q: The lifetime risk of developing pancreatic cancer is about one in 78 (1.28%). Suppose we randomly…

A:

Q: Determine the total area under the standard normal curve for parts (a) through (c) below. For each,…

A:

Q: Example 2.7 It is known that any item produced by a certain machine will be defective with…

A:

Q: Favorite Color 1. Eighty students were asked, "What is your favorite color?" The two-way frequency…

A: The two-way frequency tables shows the favorite color of genders for 80 students.

Q: A paired sample study has been conducted to determine whether two populations have equal means.…

A: Given d-bar=12.45 Sd=11 n=20

Q: A simple random sample of 41 Veterans Day celebrations was selected and the number of children…

A: From the provided information, it is inferred that: The sample size, n=41 (i.e., the sampled no. of…

Q: Consider Normal Distribution with Mean = 187 and Standard Deviation = 15 Solve for the value of T…

A: GivenMean(μ)=187standard deviation(σ)=15

Q: Price in Dollars 28 33 36 42 Number of Bids 1 7 8 9 Step 2 of 6: Find the estimated y-intercept.…

A: From the above data  X independent variable is Price Y dependent variable is Number of Bids

Q: Refer to the data set in the accompanying table. Assume that the paired sample data is a simple…

A: In hypothesis testing, there are two hypotheses - null and alternative. By using the sample values,…

Q: Suppose a simple random sample of size n = 64 is obtained from a population with μ = 84 and o = 16.…

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

Q: Veterans Day is an official United States public holiday that honors military veterans who served in…

A: The answers are explained in step 2

Q: For all 2017 Veterans Day celebrations, of interest is to determine the mean number of people…

A: The correct option is A All 2017 veterans day celebrations.

Q: uilding the substation or disagree with building it. If seven citizens are chosen, what is the pro…

A: Given n=7 x=4 P=0.61 1-p=1-0.61=0.39

Q: Three cylindrical parts are joined end to end to make up a shaft in a machine; 2 type A parts and 1…

A: A continuous random variable X is said to follow Normal distribution with parameters μ and σ2 if its…

Q: See image for likelihood. Differentiate the log-likelihood with respect to β to obtain the equation…

A:

Q: The test statistic is wrong

A: We have given that  s12  = 1315,  n1= 15 s22  = 1523,  n1= 19

Q: Some transportation experts claim that it is the variability of speeds, rather than the level of…

A: Given that, some transportation experts claim that it is the variability of speeds, rather than the…

Q: Before the furniture store began its ad campaign, it averaged 115 customers per day. The manager is…

A: According to the question, the data is normally distributed. Also, since the sample size is less…

Q: Find the sample variance s2 for the following sample data. Round your answer to the nearest…

A: From the provided information, The data values are as follow: x: 22 20 15 33 25 Sample size (n) = 5

Q: The probability of success of three students X, Y and Z in the one examination respectively. are…

A:

Q: A word consists of 9 letters; 5 consonants and 4 vowels.Three letters are choosen at random. What is…

A:

Q: Solve the attached questions. Below are its answer choices: a) 238.709 b) 1347.088 c) 236.709 d)…

A:

Q: Determine what the key terms refer to in the following study. As part of a study designed to test…

A: Given:-               The speed at which the car crashed at 35 miles / hour. The location of drive…

Q: In the measurement of support for one party, the sample data were n = 1300 and p̂ = 0.21. Compute a…

A: Given data: n = 1300  p̂ = 0.21. Confidence level = 95 %

Q: What distribution must be used to calculate confidence interval and hypothesis test if the standard…

A: GivenThe standard deviation of the population is  unknown

Q: A bag contains 4 white, 5 red and 6 blue balls. Three balls are drawn at random from the bag. The…

A:

Q: The time required for an automotive center to complete an oil change service on an automobile…

A: GivenMean(μ)=17standard deviation(σ)=2.5

Q: An article suggested that yield strength (ksi) for A36 grade steel is normally distributed with μ =…

A: Given Mean=44 Standard deviation=5.5

Q: Using the Tukey HSD test: what is the HSD for group 1 (ore dock) vs. group 2 (black rocks) ? What is…

A: The objective is to test whether if there exists a significant effect of brewery on IPA popularity…

Q: IN A TWO TAIL TEST FOR THE POPU;ATION MEAN IF THE NULL HYPOTHESIS IS REJECTED WHEN THE ALTERNATIVE…

A: Given Statement :  IN A TWO TAIL TEST FOR THE POPULATION MEAN IF THE NULL HYPOTHESIS IS REJECTED…

Q: Suppose that p(x, y), the joint probability mass function of X and Y, is given by p(1, 1) = 0.5,…

A:

Q: A professional sports organization is going to implement a test for steroids. The test gives a…

A: Given Null hypothesis: Ho: Steroid is not taken.  Alternative hypothesis:H₁: Steroid is taken.  94%…

Q: A researcher wanted to know which local brewery had the best IPA. Each participant tried a sample…

A: The objective is to test whether if there exists a significant effect of brewery on IPA popularity…

Q: The following data gives the number of hours 10 students spent studying and their corresponding…

A:

Q: 90% confidence interval results: Proportion Count Total Sample Prop. Std. Err. L. Limit U. Limit 925…

A: The conditions to apply normal distribution to calculate the confidence interval for proportion is…

Q: The American College Health Association produced the National College Health Assessment (Andy…

A: Given data p1=10.3% p2=14.9% n=47202

Q: Consider Compute the Z-Score of a score of 3 a Normal Distribution N( 15,4)

A: We have given that,  Let X be the random variable from normal distribution X = 3 i.e,  X ~ N(μ = 15,…

Q: Find a 95% confidence interval for the difference between full attendance students' Exam 5 score and…

A:

Q: Suppose the lengths of the pregnancies of a certain animal are approximately normally distributed…

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

Q: From 1984 to 1985, the mean height of 15 to 18-year-old males from Chile was 172.36 cm, and the…

A: The z-score can be calculated as follows : If a random variable X is normally distributed with mean…

Q: In a recent survey, 59% of the community favored purchasing a new playground in their neighborhood…

A: It is given that 59% of the community favored purchasing a new playground in their neighborhood…

Q: A researcher claims that the distribution of favorite pizza toppings among teenagers is as shown…

A: Given information: Topping Cheese Pepperoni Sausage Mushrooms Onions Results(n = 200) 78 52 30…

Q: GIVEN A LARGE POPULATION WITH MEAN OF 75 AND STD DEVIATION OF 12 THE PROPABILITY THAT THE MEAN  OF A…

A: From the provided information, Mean (µ) = 75 Standard deviation (σ) = 12 Sample size (n) = 36

Q: Does your confidence interval support your hypothesis test? Explain.

A: Given the confidence interval for proportion is calculated (0.45249302, 0.64750698)

Q: Determine the t-value in each of the cases. Click the icon to view the table of areas under the…

A: As per our guidelines we can solve first three sub part of question and rest can be reposted.…