Which one of these graphs does not represent a normal distribution?
Q: Give the formula for calculating percentiles of a continuous distribution.
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Q: What percentage of scores in a normal distribution fall at or above a z score of 1.04?
A: given data normal distribution percentage of scores above Z:1.04 = ?
Q: How to create a frequency distribution?
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Q: On average, a banana will last 6.8 days from the time it is purchased in the store to the time it is…
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Q: What does a distribution represent?
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Q: Mention two real life applications for the distribution.
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Q: Find the z- score that has 74.5% of the distribution's are to its right
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Q: examples of a normal distribution questions.
A: 1)
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- the mean is 146, and standard deviation is 35. A score of 181 is how many z-scores above the mean?The following graph shows that the normal distribution A has greater variability than the normal distribution B. True or falseOn average, a banana will last 6.7 days from the time it is purchased in the store to the time it is too rotten to eat. Is the mean time to spoil greater if the banana is hung from the ceiling? The data show results of an experiment with 14 bananas that are hung from the ceiling. Assume that that distribution of the population is normal. 7.6, 6.2, 5.7, 7.9, 8.6, 7.9, 6, 6.7, 6.1, 5.8, 8.8, 8.1, 5.4, 5.6 What can be concluded at the the a = 0.01 level of significance level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Ho: Select an answer H1: ? Select an answer c. The test statistic ? (please show your answer to 3 decimal places.) = d. The p-value (Please show your answer to 4 decimal places.) е. The p-valuе is (? f. Based on this, we should | Select an answer the null hypothesis. g. Thus, the final conclusion is that The data suggest the populaton mean is significantly more than 6.7 at a = 0.01, so there is…
- On average, a banana will last 6.8 days from the time it is purchased in the store to the time it is too rotten to eat. Is the mean time to spoil greater if the banana is hung from the ceiling? The data show results of an experiment with 14 bananas that are hung from the ceiling. Assume that that distribution of the population is normal. 6.8, 6.4, 7.4, 7.5, 9, 7.9, 8.4, 9.5, 7.9, 7.4, 7.5, 9.4, 6.1, 7.4 What can be concluded at the the αα = 0.10 level of significance level of significance? For this study, we should use The null and alternative hypotheses would be: H0:H0: H1:H1: The test statistic = (please show your answer to 3 decimal places.) The p-value = (Please show your answer to 4 decimal places.) The p-value is αα Based on this, we should the null hypothesis.Describe the difference in shape between a gamma(shape = 5, rate= 10) distribution and a beta(shape = 10, rate= 5) distribution. I.e., are the skew, mean, and interquartile ranges of the two distributions the same, and if one is larger, which one?On average, a banana will last 6.6 days from the time it is purchased in the store to the time it is too rotten to eat. Is the mean time to spoil different if the banana is hung from the ceiling? The data show results of an experiment with 14 bananas that are hung from the ceiling. Assume that that distribution of the population is normal. 7.9, 6, 5.5, 8.1, 7.9, 8.8, 6.6, 8.7, 6.2, 6.3, 8.6, 6.7, 8.5, 9.3 What can be concluded at the the α = 0.01 level of significance level of significance? a. For this study, we should use [t-test for a population mean b. The alternative hypothesis would be: H₁: Hv c. The test statistic d. Based on this, we should Select an answer e. Thus, the final conclusion is that ... Select an answer (please show your answer to 3 decimal places.) the null hypothesis.
- I am unsure how to label this graph, can someone help explain how to label it? Thank you.Identify if its true or false The mean, median and mode of normal distribution are NOT necessarily equal.age, a Bahand will last 6.3 days from the time it is purchased in the store to the time it is too rotten to eat. Is the mean time to spoil different if the banana is hung from the ceiling? The data show results of an experiment with 15 bananas that are hung from the ceiling. Assume that that distribution of the population is normal. 5.5, 3.9, 3.9, 5.7, 6.5, 5.9, 3.9, 7.4, 4.3, 5.9, 4.5, 4.2, 7, 5.1, 4 What can be concluded at the the a = 0.05 level of significance level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Ho: ? Select an answer H₁: ? Select an answer c. The test statistic ? O (please show your answer to 3 decimal places.) (Please show your answer to 4 decimal places.) d. The p-value = e. The p-value is ? a f. Based on this, we should Select an answer the null hypothesis. g. Thus, the final conclusion is that ... The data suggest the populaton mean is significantly different from 6.3 at a = 0.05, so there is…
- Sunscreens are products that protect the skin from skin cancer by preventing the sun's ultraviolet (UV) radiation from penetrating the skin. According to dermatologists, the recommended amount of sunscreen needed to cover the exposed areas of the body is at least an ounce. In a study conducted specifically for a group of women aged 21 to 30 years, it was found the amount of sunscreen (X) applied by the group follows the normal distribution with mean of 0.6 ounce and standard deviation of 0.25 ounce. About ___% of the women aged 21 to 30 years is applying 0.1 to 1.1 ounce ofThe incomes of math tutors in a tutoring center of a university are normally distributed with a mean of $1100 and a standard deviation of $150 what percentage of tutors earn less than $900 a monthOn average, a banana will last 6.6 days from the time it is purchased in the store to the time it is too rotten to eat. Is the mean time to spoil less if the banana is hung from the ceiling? The data show results of an experiment with 13 bananas that are hung from the ceiling. Assume that that distribution of the population is normal. 6.3, 6.1, 3.9, 5.8, 4.7, 6.4, 7.5, 6.3, 7.8, 5.5, 5.5, 7.5, 7.4 What can be concluded at the the αα = 0.10 level of significance level of significance? For this study, we should use Select an answer t-test for a population mean z-test for a population proportion The null and alternative hypotheses would be: H0:H0: ? μ p Select an answer = < ≠ > H1:H1: ? p μ Select an answer ≠ = < > The test statistic ? t z = (please show your answer to 3 decimal places.) The p-value = (Please show your answer to 4 decimal places.) The p-value is ? ≤ > αα Based on this, we should Select an answer reject accept fail to reject…
