The IQs of 600 applicants of a certain college are approximately normally distributed with a mean of 115 and a standard deviation of 12. If an applicant with an IQ of at least 100 will be accepted, how many will be admitted?

Q: . What is the probability that the student will get into a college whose entrance score is 550?

A:

Q: Suppose the platelet count of such patients with dengue fever follows a normal distribution with a…

A: Suppose the platelet count of such patients with dengue fever follows a normal distribution with a…

Q: Suppose a population has a mean of 100 and a standard deviation of 15. If repeated samples of size…

A: Given: n = 25 σ=15μ=100 The standard deviation of the sample means can be calculated as: σX=σn

Q: The speeds of all cars on the tollway was found to be normally distributed with a mean of 63 miles…

A: It is given that that µ=63 mile per hour. Obtain the standard deviation of the speeds of all cars:

Q: An entrance examination is to be conducted to 1600 ncoming freshmen students at Gordon college which…

A: Let X be the variable denoting score of the exmination. X ~ N (μ, σ) Given mean, μ = 85 standard…

Q: Assume that blood pressure readings are normally distributed with a mean of 122 and a standard…

A: Let "M" be the mean blood pressure readings.

Q: Assume that blood pressure readings are normally distributed with a mean of 130 and a standard…

A:

Q: Suppose that the scores on a reading ability test are normally distributed with a mean of  60  and…

A:

Q: The lengths of human pregnancies are normally distributed with a mean of 268 days, and a standard…

A: Given that, X~N(268,152) n=10

Q: Scores on a recent national statistics exam were normally distributed with a mean of 80 and standard…

A: Obtain the standard z-score for X equals 89 The standard z-score for X equals 89 is obtained below:…

Q: The height of the dogs in a pet shop is normally distributed with the average height of 25 cm and…

A:

Q: Assume the annual day care cost per child is normally distributed with a mean of $7000 and a…

A: given: Mean=$7000 SD=$1500

Q: If grades on a certain test are approximately normally distributed with a mean of 75 and a standard…

A:

Q: If the weights of sheep are considered normally distributed with a mean of 60 kg and a standard…

A:

Q: A researcher claims that the standard deviation of the number of deaths annually from typhoons in…

A:

Q: the length of a certain species of fish were found to be normally distributed. the mean length is 72…

A: Any assumption about the parameter or probability function is called a hypothesis. Given data are…

Q: A company sells printers with a mean life of 2 years (24 months) and a standard deviation of 4…

A: GIVEN: mean = 24 months           standard deviation = 4 months

Q: The height of the dogs in a pet shop is normally distributed with the average height of 25 cm and…

A:

Q: Suppose the scores of students on an exam are normally distributed with a mean of 454 and a standard…

A:

Q: Assume that blood pressure readings are normally distributed with a mean of 117 and a standard…

A: From the provided information, Mean (µ) = 117 Standard deviation (σ) = 8.4 Sample size (n) = 37 Let…

Q: The amount of time a certain brand of light bulb lasts is normally distribued with a mean of 1500…

A:

Q: The IQs of 600 applicants of a certain college are approximately normally distributed with a mean of…

A:

Q: The average age of accountants is 43 years, with a standard deviation of 5 years. If an accounting…

A: From the given information,   Mean = 43 Standard deviation = 5 Sample size = 30

Q: Assume that blood pressure readings are normally distributed with a mean of 115 and a standard…

A:

Q: assume that blood pressure readings are normally distributed with a mean of 135 and a standard…

A:

Q: Assume females have pulse rates that are normally distributed with a mean of 72 beats per minute and…

A: Given that: Mean = 72 beats S. D. = 12.5 beats Sample size (n)  = 25 By using standard normal…

Q: Suppose that that the average BMI of the patients at Beth Israel Deaconness Medical Center is 30…

A:

Q: The numbers of books checked out daily at a local library are normally distributed with a mean of…

A:

Q: A recent study found that 69% of all adults over 50 wear sunglasses for driving. In a random sample…

A: Formula : Mean = np Standard Deviation  :

Q: The scores on a university examination are normally distributed with a mean of 70 and a standard…

A: The scores of a university are normally distributed with mean 70 and s standard deviation 10.Given…

Q: For women aged 18-24, systolic blood pressures (in mm HG) are normally distributed with a mean of…

A: Let X denote the systolic blood pressures (in mm HG) are normally distributed with a mean of μ=114.8…

Q: The number of Facebook friends students at a university have are Normally distributed with a mean…

A: Normally distributed with a mean = 1200  Standard deviation = 200

Q: Suppose the scores of students on an exam are normally distributed with a mean of 253 and a standard…

A: From the provided information, Mean (µ) = 253 Standard deviation (σ) = 80

Q: A manufacturer is producing metal rods, whose lengths are normally distributed with a mean of 65.0…

A: #.Given : length of rod follow normal distribution with mean=65 cm and standard deviations=0.3 cm…

Q: A professor has found that the grades on the Statistics Final are normally distributed…

A: The Z-score of a random variable X is defined as follows: Z = (X – µ)/σ. Here, µ and σ  are the mean…

Q: A maths class has 100 members. If there is a 15% absentee rate per class meeting , find the standard…

A:

Q: In a particular city, the weight of newly born babies is normally distributed with a standard…

A:

Q: Suppose a candidate for public office is favored by only 47% of the voters. If a sample survey…

A: Given Population mean=0.47 Population standard deviations=0.01

Q: according to police sources, a car with a certain protection system will be recovered 90% of the…

A: Given problem is a binomial distribution with:

Q: Suppose a population has a mean of 90 and a standard deviation of 28. If a random sample of size 49…

A:

Q: The weight of male contestants is normally distributed with a mean of 96 kg pounds and a standard…

A:

Q: The mean weight of 18-year-old females is 126 pounds, and the standard deviation is 15.7. If a…

A: Here it is given that the mean weight of 18 year old females is normally distributed with mean=126,…

Q: Assume that the heights of men are normally distributed with a mean of 68.1 inches and a standard…

A: Normal Distribution: A continuous random variable X is said to follow Normal distribution with…

Q: In a certain university, the students were informed that they need a grade in the top 8% of the…

A:

Q: An air condition company will spend an average of 64 minutes with a standard deviation of 19 minutes…

A:

Q: Assume that blood pressure readings are normally distributed with a mean of 122 and a standard…

A: Assume that blood pressure readings are normally distributed.

Q: the height of American men is normally distributed with a mean of 70 in and a standard deviation of…

A:

Q: a hamcer of ponts scored by each team in the NHL at the end of the season is normally distributed…

A: Sampling Distribution of a Normal Variable :  Given a random variable X. Suppose that the…

Q: The test scores of 600 students are normally distributed with a mean of 76 and a standard deviation…

A:

Q: The number of points scored by éäch at the end of the season is normally distributed with a mean of…

A: