The quality control specialists of a micro scope manufacturing company test the lens for every microscope to make sure the dimensions are correct. In one month, 600 lenses are tested. The mean thickness is 2 millimeters. The standard deviation is 0.000025 millimeters. The distribution is normal. The company rejects any lens that is more than two standard deviations from the mean. Approximately how many lenses out of the 600 would be rejected?

Q: The average birth weight of elephants is 220 pounds. Assume that the distribution of birth weights…

A: Solution-: Given: μ=220,σ=50 We want to find the birth weight of elephants at the 90th percentile.

Q: Pyramid Lake is on the Paiute Indian Reservation in Nevada. The lake is famous for cutthroat trout.…

A:

Q: Keenan scored 80 points on an exam that had a mean score of 77 points and a standard deviation of…

A:

Q: The weights of men in their 30s are normally distributed with a mean of 190 pounds and a standard…

A: From the provided information, Population mean (µ) = 190 pounds Population standard deviation (σ) =…

Q: Suppose that 35% of all adults in a population would say "good" and 65% would say "bad" if they were…

A: Given Data: p=0.35 n=1000

Q: Pyramid Lake is on the Paiute Indian Reservation in Nevada. The lake is famous for cutthroat trout.…

A: Givensample size(n)=51Mean(x)=18.6standard deviation(s)=3.1significance level(α)=0.05

Q: A set of data has a normal distribution with a mean of 100 and a standard deviation of 15. Find the…

A: First we reduce the given normal distribution to the standard normal distribution using the formula…

Q: Suppose that resting pulse rates of adult males are normally distributed with a mean of 72 beats per…

A: The following information has been provided: Let X be a random variable represents the resting pulse…

Q: Pyramid Lake is on the Paiute Indian Reservation in Nevada. The lake is famous for cutthroat trout.…

A: Determine the level of significance.   Significance level:    In order to decide how small the…

Q: Today, the waves are crashing onto the beach every 5.6 seconds. The times from when a person arrives…

A: As per the Bartleby guildlines we have to solve first three subparts and rest can be reposted.....…

Q: According to a medical journal, the distribution of weights of newborn babies is approximately…

A: The objective of this question is to find the percentage of newborn babies that weigh between 3100…

Q: Heights for 16-year-old boys are normally distributed with a mean of 68.3 in. and a standard…

A: Given information: μ=68.3, σ=2.9 The P-value for the 96th percentile = 0.96 Determine the z-score…

Q: How many minutes did it take him to finish the face?

A: It is given that the distribution of finishing time for men was approximately normal with mean 242…

Q: The distribution of the weights of dogs at a local rescue shelter is Normal, with a mean of 38…

A:

Q: Use the Empirical Rule. The mean speed of a sample of vehicles along a stretch of highway is 65…

A: The random variable  be the speed of a sample of vehicles along a stretch of highway.Mean: miles…

Q: Pyramid Lake is on the Paiute Indian Reservation in Nevada. The lake is famous for cutthroat trout.…

A: Given that  μ=19x¯=18.4s=2.6n=46 Test statistic: ttest=x¯-μsn     =18.4-192.646     =-1.565

Q: Find the standard deviation if the mean = 2, mode = 5, variance = 56 . Round your answer to three…

A: We have given that,  Mean (x̄) = 2 , mode (z) = 5 and variance        (s^2) = 56 Then,  We will find…

Q: A teacher wishes to give A’s to the top 8% of the students and F’s to the bottom 8%. The next 10%…

A: Here we need to find the mean, median and mode for the given normal distribution. Also we need to…

Q: t problem. Use the empirical rule

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Q: Pyramid Lake is on the Paiute Indian Reservation in Nevada. The lake is famous for cutthroat trout.…

A: Given Information: Population mean (μ) = 19 inches;  Sample mean (x¯)= 18.6 inches; Sample standard…

Q: Pyramid Lake is on the Paiute Indian Reservation in Nevada. The lake is famous for cutthroat trout.…

A: Givenaverage length of trout caught in Pyramid Lake is μ = 19 inches.Sample size = 45sample mean = x…

Q: The U.S. Dairy Industry wants to estimate the mean yearly milk consumption. A sample of 19 people…

A: From the provided information,

Q: Pyramid Lake is on the Paiute Indian Reservation in Nevada. The lake is famous for cutthroat trout.…

A:

Q: a quantitative data set has mean 25 and standard deviation 2. approximately what percentage of the…

A: The given data is as follows:Population mean, Population standard deviation,

Q: Assume that math test scores are normally distributed with a mean of 400 and a standard deviation of…

A:

Q: A study wanted to compare the weight loss between two drugs. They sampled 60 people. 30 who took…

A: Given: n1 = 30 X1 = 15 s1 = 8 n2 = 30 X2 = 18 s2 = 9 Formula Used: Test-statistic t = X1 -…

Q: Pyramid Lake is on the Paiute Indian Reservation in Nevada. The lake is famous for cutthroat trout.…

A: "Since you have posted a question with multiple sub-parts, we'll solve the first three sub-parts for…

Q: Jennifer needs to estimate the average age of vets in Houston. The standard deviation of ages is 17…

A: Given : Standard deviation (σ) = 17 Standard error (SE) = 0.3

Q: The heights of all women in the United States are known to be normally distributed with a mean of 63…

A: According to the given information, we have Given that the heights of all women in the United States…

Q: To assess the air quality in a surgical suite, the presence of colony-forming spores per cubic meter…

A: {12,24,30}

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A: given data n = 27sd = 3.37standard error for difference in score = ?

Q: The average birth weight of elephants is 230 pounds. Assume that the distribution of birth weights…

A: Given,mean(μ)=230standard deviation(σ)=50

Q: The average birth weight of elephants is 250 pounds. Assume that the distribution of birth weights…

A: given data normal distributionμ = 250 poundsσ = 40 pounds90th percentile = ?

Q: An environmental researcher took 30 water samples from different areas of a lake. He measured the pH…

A: The objective of the question is to understand the concept of standard deviation and interpret it in…