The average cholesterol content of a ceftaln brand 8l eggs is standard deviation is 15 milligrams. Assume the variable is normally distribute a) If a single egg is selected, find the probability that the cholesterol cont greater than 220 milligrams. b) Ifa sample of 25 eggs is selected, find the probability that the mean of nngor thon 220 milligrams

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

A:

Q: Assume that the scores of a college entry exam are normally distributed with a mean of 400 and a…

A: Given,mean(μ)=400standard deviation(σ)=60

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 ±…

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A: Given that  Mean =266 Population standard deviation =16 Sample size n=6

Q: s produces a mean of 30L/ day of ice-cream per store and a standard deviation of 1.8L/day. A random…

A: The sampling distribution of a statistic is known as the probability distribution of all the…

Q: The distribution of grades in a final exam conforms to the normal distribution with an average of 60…

A:

Q: The time students take to complete an exam follows a uniform distribution and is between 35 minutes…

A: Given data: The time students take to complete an exam follows a uniform distribution. a = 35 b = 60

Q: The scores on a standardized test are normally distributed with a mean of 115 and standa deviation…

A: Z = 2.2 , μ  = 115 , σ= 15

Q: The average amount of rainfall in Puerto Rico last month was 3.5 inches, according to the National…

A: Given information Mean µ = 3.5 inches Standard deviation σ = 0.8 inches

Q: A set of data items is normally distributed with a mean of 20 and the standard deviation of 8.…

A: z-score: A z-score describes how many standard deviations a data item in a normal distribution lies…

Q: The weight of the chicken has normal distribution with a mean of 3 kg and standard deviation of 0,5…

A: We have given that,  X be the random variable from normal distribution with mean (μ) = 3 and…

Q: A livestock company reports that the mean weight of a group of young steers is 1300 pounds with a…

A: It is an important part of statistics. It is widely used.

Q: A research is conducted to investigate the prevalence of airborne bacteria in carpeted and…

A: The confidence interval formula to find out the ratio of two population variances is defined as…

Q: The average time a person spends shopping in a grocery store is 43 minutes.  If the time is normally…

A: Given:  The average time a person spends shopping in a grocery store is 43 minutes.  The time is…

Q: The average age of UST employees is 34 years old. Assume the data is normally distributed. If the…

A: The average age of UST employees is 34 years old i.e. μ=34 The standard deviation is three years…

Q: The accounting department at Weston Materials, Inc., a national manufacturter of unattached garages,…

A:

Q: In a mango farm of 500 trees, the mean harvest is 96.5 kg of mango fruits per tree with a standard…

A: In a mango farm of 500 trees, the mean harvest is 96.5 kg of mango fruits per tree with a standard…

Q: Assume that people playing World of Warcraft in a week has a normal distribution with a mean of 54…

A: This question requires us to use the normal distribution to calculate the probability of a randomly…

Q: The average weight loss at a clinic is 10lbs with a standard deviation of 5lbs. What is the chance…

A:

Q: The age distribution of a sample of 5000 persons is bell shaped with a mean of 40 years and a…

A: GivenMean(μ)=40standard deviation(σ)=12

Q: The mean score of a competency test is 69, with a standard deviation of 4. Use the empirical rule to…

A:

Q: The annual rainfall in a certain region is approximately normally distributed with mean = 41.3…

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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 the random variable X is normally distributed with a mean of 50 and a standard deviation of…

A:

Q: The line width for semiconductor manufacturing is assumed to be normally distributed with a mean of…

A: Given Data Population Mean,μ = 0.45 Population Standard Deviation,σ = 0.05

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Q: Find the mean variance and standard deviation for the number of heads when 10 coins are tossed.

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Q: The amount of coffee in a can has a mean of 350 g and a standard deviation of 4 g. 9) Sketch a…

A:

Q: The distribution of grades in a final exam conforms to the normal distribution with an average of 60…

A: Given information: μ=60σ=8 The proportion of students required to pass=300350=0.857142857≈0.8571

Q: Total plasma volume is important in determining the required plasma component in blood replacement…

A: (b)   Identify the conditions that are necessary for the calculations.   The correct option is…

Q: A batch of tablets (100,000) has normal distribution of their tablet weight with mean of 300 mg and…

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Q: Among coffee drinkers men drink a mean of 5.6 cup per day with a standard deviation of 0.9 cups.…

A:

Q: The heights of 5-year-old children are approximately normally distributed with average height of…

A: Don't use empirical rule here , Use Z- table or Excel(or any other.. ) Use Excel function…

Q: Assume the average amount of caffeine consumed daily by adults is normally distributed with a mean…

A: The detailed solution is as follows below:

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Q: Assume the random variable X is normally distributed, with mean p= 44 and standard deviation o = 9.…

A: It is given that mean is 44 and standard deviation is 9.

Q: The length of time to discharge a certain Motolite car batteries are normally distributed. It is…

A: Given info: The length of time to discharge a certain Motolite car batteries are normally…

Q: normally distributed with a standard deviation equal to 15 mm, what fraction of the cups will…

A: Standard normal score: The standard normal score follows normal distribution with mean 0 and…

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.