3. A woodcarver produces walking sticks that follow a normal distribution with a mean length of 140 cm and a standard deviation of 12 cm. A stick is chosen at random from the day’s production. Which length is least likely? A 150 cm  B 138 cm C 132 cm D 148 cm

Q: Suppose that a variable of a population has a reverse-J-shaped distribution and that two simple…

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Q: 10. Sketch a normal distribution and draw a line for each z-score. Find the proportion in the body,…

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Q: 4. Assume the annual snowfall in the village of Thalhammer follows a normal distribution with a mean…

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A: Given Information: Mean μ=63.6 Standard deviation σ=2.5 A branch of the military requires​ women's…

Q: Do twenty-year-olds have fewer cavities? The data show the results of a survey of 16…

A: Given : Claim : The population mean number of cavities for twenty-year-olds is less than 4.

Q: d) The weight of 45 watermelons from a farm is shown below.  Weight Frequency 11-15 4 16-20 8 21-25…

A: Weight Frequency (f) Mid value (x) Class boundaries f⋅x c.f 11-15 4 13 10.5-15.5 52 4 16-20…

Q: Unfortunately, arsenic occurs naturally in some ground watert. A mean arsenic level of u8.0 parts…

A: a)   Denote μ as the average arsenic level.

Q: The average number of cavities that thirty-year-old Americans have had in their lifetimes is 9.  Do…

A: Given data: 8,5,5,6,5,11,9,7,10,6,9,7,6,6,11,10 Sample Mean, x̄ = Σx/n = 121/16 = 7.5625 Variance,…

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Q: At the particular courthouse, to increase his or her honor's statistical power, a judge can 1.…

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A:

Q: A boat capsized and sank in a lake. Based on an assumption of a mean weight of 143 lb, the boat was…

A: We have to find given probability.

Q: For this study, we should use     The null and alternative hypotheses would be:       �0:…

A: as per guidelines i have calculated 3 subparts plz repost for remaining part ... The average number…

Q: A boat capsized and sank in a lake. Based on an assumption of a mean weight of 137 lb, the boat was…

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Q: The average number of cavities that thirty-year-old Americans have had in their lifetimes is 9.  Do…

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Q: What can be concluded at the a 0.05 level of significance? a. For this study, we should use Soactan…

A: Given: μ=10X: {3,13,11,10,12,13,9,11,12,12,11,13,10}X¯=11.23077n=13s=1.42325

Q: To determine the distribution of the height of female grade 6 students in a develop country, a…

A: Given data is56,64,66,60,61,52,67,68,57,53,53,57,53,69,50,68,67,63,65,52,64,61,58,60,50sample…

Q: Question 1B  part b and c in photo

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A: Solution: Data are distributed normally To find  : the- Z score

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A:

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Q: Assuming that the data are normally distributed, a. Determine the z-score such that the area to…

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.