When the weight of a parcel of oranges was measured, it was observed that the average 190 grams and standard deviation of 25 grams fit the normal distribution. 9 out of 500 oranges in this package were under a certain weight and could not pass the test. How many grams or less did oranges fail the test?

Q: The weights of adult California Condors average 14.8lbs with a standard deviation of 3.25lbs.…

A:

Q: A set of data items is normally distributed with a mean of 500. Find the data item in this…

A:

Q: In a survey, the mean weight of 1026 rats was calculated to be 132 gr. The standard deviation of the…

A:

Q: Assume that a procedure yields a binomial distribution with a trial repeated n = 14 times. Use…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Researchers measured the data speeds for a particular smartphone carrier at 50 airports. The highest…

A:

Q: The amount of television viewed by today's youth is of primary concern to a certain organization.…

A: From the provided information, Sample size (n) = 300 Mean (x̅) = 13 Standard deviation (s) = 4…

Q: According to a study done by UCB students, the height for Martian adults is normally distributed…

A: Given,mean(μ)=67standard deviation(σ)=2.3

Q: (c) What is the probability that a random sample of 28 second grade students from the city results…

A:

Q: A particular fruit's weights are normally distributed, with a mean of 526 grams and a standard…

A: Given that, Mean = 526 Standard deviation = 36 Sample size = 7

Q: a. Construct a 95% confidence interval estimate for the population mean amount of paint included in…

A:

Q: Find the mean weight of Mr. Smith's ripe watermelons if only 9% weigh less than 12 lb. (Give your…

A: Given:  Standard deviation (σ) = 2.3 lb Consider x as the required score corresponding to the 9%…

Q: (b) You sample 25 students. What is the standard deviation of the sampling distribution of their…

A:

Q: The mean score on a driving exam for a group of driver's education students is 68 points, with a…

A:

Q: what is the approximate number of students taking the exam?

A: given: Grades follow Normal with u= 75 and σ= 8 12 students got more than 90.…

Q: ble and highest possibel marks assuming normal distributiion .

A: P(X<5)=Pz<5-589=0

Q: Almost all medical schools in the United States require students to take the Medical College…

A: Given that, almost all medical schools in the United States require students to take the Medical…

Q: 2. The mean height for men is 70 inches with a standard deviation of 5 inches. Find the z- score of…

A: For the first question there is no data of 12 adult males in an office. So, iam answering for the…

Q: A particular fruit's weights are normally distributed, with a mean of 222 grams and a standard…

A: Solution: Let X be the  fruit's weights are normally distributed with mean 222 grams and standard…

Q: Use the z table to find the value k so that 40% of the scores are greater than k.

A: Normal distribution is widely used in statistics . It is very useful in modern times .

Q: A researcher wishes to see if there is a difference in the manual dexterity of athletes and that of…

A: Sample mean for athletes x¯1=89 Sample mean for band members x¯2=95 Standard deviation σ=7.4 .…

Q: t random, then 8% of the time, their mean weight will be greater than how many grams? Give your…

A: According to the sum, A particular fruit's weights are normally distributed, with a mean of 596…

Q: A particular fruit's weights are normally distributed, with a mean of 405 grams and a standard…

A: The normal distribution is the most useful theoretical distribution for continuous variable.  For…

Q: the z score for the tallest man is z = ad to two decimal places.) and the z score for the shortest…

A: From the provided information, Mean (µ) = 173.15 cm Standard deviation (σ) = 7.57cm

Q: A particular fruit's weights are normally distributed, with a mean of 724 grams and a standard…

A: Given Mean=724 Standard deviation=9 n=18

Q: A particular fruit's weights are normally distributed, with a mean of 256 grams and a standard…

A: given data  normal distribution μ = 256σ = 29n = 8P(x¯>z) = 0.17

Q: and II error (in words). Analyze the scenario and formulate situations where type I and type II…

A: Given: Sample size = 100 Sample standard deviation = 6 Sample mean = 160 Hypothesized mean = 158.2

Q: The result of the previous licensure examination for teachers shows that the average score of exam…

A: Given: X=Score of exam takers in the general education section Mean μ=97 Standard deviation σ=5.1…

Q: following: 1. The probability that a randomly selected car will exceed 4200 pounds. Round to 3…

A: It is given thatMean, μ = 3880Standard deviation, σ = 834Z-Score, Z = ( X - μ )/σwhere, Z be the…

Q: A college entrance exam scores are approximately normally distributed with a mean value of 145 and a…

A: Solution: Let X be the college entrance exam score. From the given information, X follows normal…

Q: Condé Nast Traveler conducts an annual survey in which readers rate their favorite cruise ship. All…

A: given, Group1: The ships carry 500 passengers Sample size n1=37 Sample average rating x¯1=85.39…

Q: The heights of adult men in America are normally distributed, with a mean of 69.1 inches and a…

A:

Q: A particular fruit's weights are normally distributed, with a mean of 421 grams and a standard…

A: Given Population Mean, μ=421 Population standard deviation, σ=20 Sample size, n=3

Q: For a standardized exam at your school, the mean score is 103 with a standard deviation of 16. You…

A: Population mean Hypothesized value of population standard deviation Sample size Sample mean Sample…

Q: A paint machine dispenses dye into paint cans to create different shades of paint. The amount of dye…

A: Solution: Let X be the amount of dye dispensed into a can. From the given information, X follows…

Q: In a factory, packs of sweets are supposed to contain 1kg each. In reality, the weights are normally…

A: Let X be the weight following normal distribution .

Q: Suppose that weights of 5th grade elementary girls are normally distributed with mean µ = 64 lbs and…

A:

Q: A particular fruit's weights are normally distributed, with a mean of 208 grams and a standard…

A: We have to find mean value for given  data .

Q: A particular fruit's weights are normally distributed, with a mean of 465 grams and a standard…

A: Solution: Let X be the weight of a particular fruit. From the given information, X follows normal…

Q: Tahir is a shift manager at a local fast food place and is responsible for quality management. Tahir…

A: Given: Population size = 25 Number of samples, n= 21 Level of significance, α=0.03 Sample mean, x=2…

Q: Use the empirical rule to estimate the number of farms whose land and building values per acre are…

A: here given , The mean value of land and buildings per acre from a sample of farms is ​$1600​,with a…

Q: The average score of all golfers for a particular course has a mean of 61 and a standard deviation…

A: Mean()=61Standard deviation()=4Sample size(n)=64

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.