The height of waste bin manufactured by a factory for a garden have a normal distribution with mean as 1.25 m and standard deviation of 10 cm. How many percentage of waste bins manufactured were More than 120 cm From 115 cm to 135 cm Between 119 cm and 131 cm

Q: A ski gondola carries to the top of a mountain. Assume that the weights of skiers are normally…

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Q: The heights of male students are normally distributed with a mean of 170 cm and a standard deviation…

A: According to Empirical Rule : 68% of data falls within the first standard deviation (µ ± σ) = (170 ±…

Q: Please help me don't do handwritten please explain concept and stepwise, i will definitely like the…

A: Given,mean ,(µ) = 80 Standard deviation (σ) = 20Let 'X'  be the strength of her concrete cylinder, X…

Q: The mass of a particular fiberglass panel is normally distributed with mean of 66 kg and a standard…

A: Mean=66 kg Standard deviation =5 kg

Q: The mean score on a stress test is 5 and the standard deviation is 2. The distribution is normal.…

A: The distribution is normal with mean score on a stress test 5 and the standard deviation 2. Let X is…

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: A soft-drink machine is regulated so that it discharges an average of 200 mm/cup. If the amount of…

A: The average rate of discharge of the soft drink machine is 200 mm/cup. The standard deviation of…

Q: The masses of tablets of chocolates produced by a certain machine are found to be normally…

A: To estimate the number of tablets in a batch of 200 whose masses are greater than 145g or between…

Q: The main temperature in Dallas in July for Dallas Texas is 85° assuming a normal distribution what…

A: Let us denote X=the temperature in Dallas in July X follows a normal distribution with mean= 85 and…

Q: The height of students at the SFSU dormitory is normally distributed with a population mean of 66…

A: For the given distribution of heights (in inches) of the students, it is given that:The mean,…

Q: The radius (r) and the height (h) of a cylindrical silo are measured as r=8 m and h=60 m with…

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Q: Heights in centimeters of girls at the start of 1st grade are normally distributed with a mean of…

A: From the given information,   Mean = 125 Standard deviation = 5   The objective is to find the…

Q: was 5.34 cm. Let Y= the height of 16 to 18-year-old males from 1984 to 1985. Then Y ~ N(162.36,…

A: Here it is given that -  Y ~ N(162.36,5.34) Mean (μ) = 162.36 Standard deviation (σ) = 5.34 X…

Q: When the size of samples gets larger, the standard error of the sample means…

A: Solution Since sample size (n) is inversely proportional to standard error, The standard error…

Q: The engineer of large manufacturing company takes many measurement of a specific dimension of…

A: We have given  Percentage coefficient of variation=3.60 Population mean = 3.33

Q: Suppose the lengths of human pregnancies are normally distributed with = 266 days and o = 16 days.…

A: Mean, μ=266 Standard deviation, σ=16 The area to the right of X = 300 is 0.0168.

Q: The distribution for the time a patient of a medical center spends waiting for an appointment is…

A: Define empirical rule first .  Empirical Rule :  The empirical rule, also referred to as the…

Q: The weights of students in a large statistics class vary according to a normal distribution with…

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Q: The IDOLE Company has two assembly lines in its Hamburg plant. Line A produces an average of 335…

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Q: Systolic  blood pressure values are approximately normally distributed with a mean of 100 mmHg and…

A: According to the given information, we have Systolic  blood pressure values are approximately…

Q: The weights of students in a large statistics class vary according to a normal distribution with…

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Q: for normal distribution mean is 100 and standard deviation is 15 use the emperican graph and gave 1…

A: Normal distributionμ=100σ=15we draw empherical graph

Q: Provide an appropriate repose.Show work 1) In a normal distribution, approximately what percent of…

A: To find: what percent of data items fall within 2 standard deviation of the mean(in both…

Q: Assume that both populations are normally distributed. Alpha equals 0.01 level of significance for…

A: Given: n1=19n2=11α=0.01 The degrees of freedom is obtained as below: df=smallern1-1,…

Q: Assume that the readings on the thermometers are normally distributed with a mean of 0° and standard…

A: The mean and standard deviation is μ=0 and σ=1. The rejection will be 3.3% data from the left hand…

Q: For samples of the specified size from the population described, find the mean and standard…

A: Given thatMean( = 62Standard devaition= 12

Q: If there are 130 apples in a basket, how many apples will be more than 135 g and less than 230 g?…

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Q: During 1 week an overnight delivery company found that the weights of its parcels were normally 20oz…

A: According to the given information, During 1 week of an overnight delivery company found that weight…

Q: A vertical line drawn through a normal distribution at z = -1.30 will separate the distribution into…

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Q: The average systolic blood pressure of a population of youngmen is mean of population= 112.5 mm, a…

A: Given the average systolic blood pressure of a population of young men is mean of population= 112.5…

Q: The scores on a test are normally distributed with a mean of 150 and a standard deviation of 30.…

A: The normal distribution:A continuous random variable X is said to follow normal distribution if the…

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.