Suppose that the weight of seedless watermelons isnormally distributed with mean 6.3 kg. and standarddeviation 1.2 kg. Let X be the weight of a randomlyselected seedless watermelon. Round all answers to4 decimal places where possible.a. What is the distribution of X? X ~ N(6.31.2or orb. What is the median seedless watermelon weight?6.3kg. oc. What is the Z-score for a seedless watermelonweighing 6.8 kg? 0.4166d. What is the probability that a randomly selectedwatermelon will weigh more than 5.3 kg?0.8583Xe. What is the probability that a randomly selectedseedless watermelon will weigh between 6 and 6.9kg?OBf. The 90th percentile for the weight of seedlesswatermelons iskg.Hint:Helpful videos:• Find a Probability [+]Finding a Value Given a Probability [+]Hint●

It is given that the mean is 6.3 kgs and standard deviation is 1.2 kgs.

Answered: Suppose that the weight of seedless…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Claim: The mean systolic blood pressure of all healthy adults is less than 122 mm Hg. Sample data: For 269 healthy adults, the mean systolic blood pressure level is 121.74 mm Hg and the standard deviation is 15.02 mm Hg. Complete parts (a) and (b). a. Express the original claim in symbolic form. Let the parameter represent a value with respect to systolic blood pressure of a healthy adult.
A set of data items is normally distributed with a mean of 50 and a standard deviation of 8. Convert 50 to a z-score. 250 (Do not round until the final answer. Then round to the nearest hundredth as needed.) line ces urces
Assume that the readings on the thermometers are normally distributed with a mean of 0 degrees and standard deviation of 1.00degrees C. Assume 2.4% of the thermometers are rejected because they have readings that are too high and another 2.4% are rejected because they have readings that are too low. Draw a sketch and find the two readings that are cutoff values separating the rejected thermometers from the others. A. The cutoff values are degrees. (Use a comma to separate answers as needed. Round to two decimal places as needed.)
Claim: The mean systolic blood pressure of all healthy adults is less than 122 mm Hg. Sample data: For 278 healthy adults, the mean systolic blood pressure level is 119.95 mm Hg and the standard deviation is 15.39 mm Hg. Complete parts (a) and (b). C a. Express the original claim in symbolic form. Let the parameter represent a value with respect to systolic blood pressure of a healthy adult. (Type an integer or a decimal. Do not round.)
Scores for men on the verbal portion of the SAT-I test are normally distributed with a mean of 545 and a standard deviation of 112 . If 16 men are randomly selected, find the probability that their mean score is at least 590. a. Define the parameter A. x overbar equals The mean score of 16 randomly selected men B. x overbar equals The score of a randomly selected man b. State the mean of x overbar : nothing c. State the standard deviation of x overbar : nothing (use 2 decimal places) d. Find the z-score: nothing (use 2 decimal places) e. Find the probability: nothing (use 4 decimal places)
Claim: The mean systolic blood pressure of all healthy adults is less than 122 mm Hg. Sample data: For 277 healthy adults, the mean systolic blood pressure level is 121.89 mm Hg and the standard deviation is 15.88 mm Hg. Complete parts (a) and (b). a. Express the original claim in symbolic form. Let the parameter represent a value with respect to systolic blood pressure of a healthy adult. (Type an integer or a decimal. Do not round.)
Assume that adults have IQ scores that are normally distributed with a mean of u= 100 and a standard deviation g= 15. Find the probability that a randomly selected adult has an IQ less than 118. Click to view page 1 of the table. Click to view page 2 of the table. The probability that a randomly selected adult has an IQ less than 118 is (Type an integer or decimal rounded to four decimal places as needed.)
Shaded diagram.. 3. The random variable X has a normal distribution with mean 80 and standard deviation 6. Choose random samples of size 40 from this distribution. Let X be the random variable of sample means. (5) a. What is the distribution of X ? (5) b. What is the mean of X ? y
help please answer in text form with proper workings and explanation for each and every part and steps with concept and introduction no AI no copy paste remember answer must be in proper format with all working
With a mean of 10 and standard deviation of 5. Assume that the population data are normally distributed. Calculate the z-score for a raw score of 5. What proportion of the distribution is equal to or less than this score?
Assume that a randomly selected subject is given a bone density test Those test scores are normally distributed with a mean of 0 and a standard deviation of 1 Draw a graph and find the bone density test scores that can be used as cutoff values separating the lowest 8% and highest 8%, indicating levels that are too low or too high, respectively S he regie Choose correct graph below. OB. OC. OD. The bone density scores are (Use a comma to separate answers as needed. Round to two decimal places as needed.)
aci.) Identify the number of individuals included in the summary. (Type an integer or a decimal. Do not round.) 4. Does the frequency distribution appear to Temperature (F) have a normal distribution using a strict interpretation of the relevant criteria? Frequency Temperature (°F) Frequency 35-39 55-59 40-44 60-64 45-49 6. 65-69 50-54 12 Does the frequency distribution appear to have a normal distribution? A. No, the distribution does not appear to be normal. O B. Yes, all the requirements are met. O C. No, the frequencies do not decrease from the maximum frequency to a low frequency.

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