The blood platelet counts of a group of women have a bell-shaped distribution with a mean of 251.8 and a standard deviation of 65.2. (All units are 1000 cells/L) Using the empirical rule, findeach approximate percentage belowa. What is the approximate percentage of women with platelet counts within 3 standard deviations of the mean, or between 56.2 and 447.47b. What is the approximate percentage of women with platelet counts between 186.6 and 317.07a. Approximately % of women in this group have platelet counts within 3 standard deviations of the mean, or between 56.2 and 447.4(Type an integer or a decimal. Do not round)b. Approximately % of women in this group have platelet counts between 186 6 and 317.0(Type an integer or a decimal Do not round)

Answered: The blood platelet counts of a group of…

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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Assume that weights of adult females are normally distributed with a mean of 79 kg and a standard deviation of 22 kg. What percentage of individual adult females have weights between 74 kg and 84 kg? If samples of 64 adult females are randomly selected and the mean weight is computed for each sample, what percentage of the sample means are between 74 kg and 84 kg?
The blood platelet counts of a group of women have a bell-shaped distribution with a mean of 260.2 and a standard deviation of 60.5. (All units are 1000 cells/uL.) Using the empirical rule, find each approximate percentage below. a. What is the approximate percentage of women with platelet counts within 3 standard deviations of the mean, or between 78.7 and 441.7? b. What is the approximate percentage of women with platelet counts between 199.7 and 320.7? a. Approximately % of women in this group have platelet counts within 3 standard deviations of the mean, or between 78.7 and 441.7. (Type an integer or a decimal. Do not round.) b. Approximately % of women in this group have platelet counts between 199.7 and 320.7. (Type an integer or a decimal. Do not round.)
Does it take a different amount of time for seeds to germinate if they are near rock music that is continuously playing compared to being near classical music? The 48 seeds that were exposed to rock music took an average of 28 days to germinate. The standard deviation was 13 days. The 47 seeds that were exposed to classical music took an average of 32 days to germinate. The standard deviation for these seeds was 10 days. What can be concluded at the a - 0.01 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 Select an answers Select an answerv (please enter a decimal) Hị: Select an answer Select an answer Select an answer v (Please enter a decimal) c. The test statistic ?- (please show your answer to 3 decimal places.) d. The p-value- (Please show your answer to 4 decimal places.) e. The p-value is ? a f. Based on this, we should Select g. Thus, the final conclusion is that . answer v the null…
A study showed that females’ body temperatures are approximately normally distributed with a mean of 98.40F, and a population standard deviation of 0.700F. Find the female body temperature at the 90th percentile.
Assume that weights of adult females are normally distributed with a mean of 79 kg and a standard deviation of 20 kg. What percentage of individual adult females have weights between 73 kg and 85 kg? If samples of 64 adult females are randomly selected and the mean weight is computed for each sample, what percentage of the sample means are between 73 kg and 85 kg? The percentage of individual adult females with weights between 73 kg and 85 kg is 23.6 % (Round to one decimal place as needed.) The percentage of samples of 64 adult females with mean weights between 73 kg and 85 kg is (Round to one decimal place as needed.)
The blood platelet counts of a group of women have a bell-shaped distribution with a mean of 251.5 and a standard deviation of 69.1. (All units are 1000 cells/uL.) Using the empirical rule, find each approximate percentage below. a. What is the approximate percentage of women with platelet counts within 3 standard deviations of the mean, or between 44.2 and 458.8? b. What is the approximate percentage of women with platelet counts between 113.3 and 389.7? a. Approximately% of women in this group have platelet counts within 3 standard deviations of the mean, or between 44.2 and 458.8. (Type an integer or a decimal. Do not round.) b. Approximately % of women in this group have platelet counts between 113.3 and 389.7. (Type an integer or a decimal. Do not round.)
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