The average team in the NBA will score 112 points per game with a standard deviation of 8 points. What is the z score of a game with 106 points.

Q: A pharmaceutical company claims that a drug is effective in treating 90% of people having severe…

A: Given that,The random variable follows binomial distribution,n=6p=90%=0.9,q=1-p, q= 0.1

Q: On a final  examination in mathematics , the mean was 72  and standard deviation was 15 . Determine…

A: given information: μ=72σ=15x=65 we want to determine the z score . z=x-μσ  =65-7215  =-0.4667

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

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Q: The average high temperature for Atlanta in January is 53 degrees with a standard deviation of 8.2…

A: INTRODUCTION :  To measure the variability of which series is consistent than any other then the…

Q: Books in the library are found to have average length of 350 pages with standard deviation of 100…

A: Given: μ=350σ=100x=80

Q: In another company, every worker received a 5% raise. How does this affect the mean salary? The…

A: Every worker received a 5%. The mean defines that the center or average of the data and it is…

Q: what if the standard deviation was 30, instead of 60

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Q: A livestock company reports that the mean weight of a group of young steers is 1154 pounds with a…

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: The mean grade on a science test was 79 and there was a standard deviation of 6. If your sister…

A: The z score explains the deviations of the observations from the mean. It is calculated using the…

Q: can you find the mean and standard deviation?

A: Let the male data set is denoted by x, then the mean is given by the formula x¯=∑xxn. Where, the…

Q: The heights of adult men in America are normally distributed, with a mean of 69.5 inches and a…

A: 69.5 2.62 64.4 2.53 American woman:

Q: A history class has 95 members. If there is a 22% absentee rate per class meeting , find the mean…

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Q: The admission committee of AUCA passes 61% of those who took the exam. If the scores follow a normal…

A: We have given that.   X~N( μ , ?^2 )   μ =350 , ? =25   Z-score =( x - μ )/?

Q: If each score is increased by 25, what will be the mean and standard deviation of the distribution…

A: Given that  The distribution of raw scores on particular achievement test Mean = 500 Standard…

Q: If on an average 8 ships out of 10 arrive safely at a port, find the mean and standard deviation of…

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Q: The weights of miniature horses are roughly normally distributed with a mean of 230 pounds and…

A: Given : The weights of miniature horses are roughly normally distributed with a mean of 230 pounds…

Q: If the mean height of bonsai trees is 52 cm with a standard deviation of 10 cm, 95% of the trees are…

A: NOTE : As per our guidelines we have to answer the first question if multiple questions are posted…

Q: A researcher showed the mean of weights of college football players to be 200 pounds with a standard…

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Q: What is the probability that you can cover a 540 square feet area using 20 cans of spray paint…

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Q: A particular leg bone for dinosaur fossils has a mean length of 5 feet with a standard deviation of…

A: Given, A particular leg bone for dinosaur fossils has a mean length of 5 feet with a standard…

Q: The heights of adult men in America are normally distributed, with a mean of 69.7 inches and a…

A: Given data: Mean of men (μ)=69.7 Standard deviation of men (σ)=2.63 To find: z-score=? Formula used:…

Q: The average height of professional basketball players is around 6 feet 7 inches, and the standard…

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

A: A normal distribution is called a standard distribution if; 1. 68% of the values of the random…

Q: A student will spend 15 hours average each week in class. If the standard deviation is 2 hours, what…

A: Given that mean=15 and standard deviation = 2 Let, X= number of hours spent by a student in the…

Q: Adult women in the U.S. have a mean height of 64.3", with a standard deviation of 2.58 inches.…

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Q: The mean life of a battery is 50 hours with a standard deviation of 6 hours. The manufacturer…

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Q: In a recent survey, 80% of the community favored building a police substation in their neighborhood.…

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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: What is the lowest standard deviation value ?

A: Standard deviation; The standard deviation indicates by how much each observation differs from a…

Q: How many of the people surveyed will have a weight between 130 and 140lbs?

A: Here the mean weight is 135 lbs with a standard deviation of 5 lbs.   Use normal distribution for…

Q: is 6% is your standard deviation?

A: Given according to question Sample size(N)=? Confidence =95% Margin of error = 5% Now question says…

Q: The average rainfall in a certain area is 24.5 inches per year, with a standard deviation of 3…

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

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Q: A livestock company reports that the mean weight of a group of young steers is 1180 pounds with a…

A: GivenMean(μ)=1180standard deviation(σ)=90

Q: Books in the library are found to have an average length of 350 pages with a standard deviation of…

A: Given that, Books in the library are found to have an average length of 350 pages with a standard…

Q: if an average score of exams was 74 points for 24 students  the 25th student got 64 points whats…

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Q: The local police force gives all applicants an entrance exam and accepts only those applicants who…

A: The score that corresponds to the top 15% is, The Z-score that corresponds to the area 0.85 is…

Q: The heights of adult men in America are normally distributed, with a mean of 69.7 inches and a…

A: formula for z-score is

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: A history class has 75 members.  If there is a 12% absentee rate per class meeting , find the…

A: Given data  P(absent) = p = 0.12  So q= 1-p = 0.88 Sample size (n)= 75 X = no.  of student absent We…

Q: The number of text messages that teenagers send per month is normally distributed with a mean of…

A: We have given that  X~N(mu,sigma ^2) mu=3400,sigma =450 and X=4415 Z-socre =(X-mu)/sigma

Q: In a survey of women in Canada, the mean height was 65 inches with a standard deviation of 3 inches.…

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Q: After calculating the mean and standard deviation, how do we interpret the result, and when a…

A: The mean is a measure of central tendency and the standard deviation is a measure of dispersion in…

Q: The US mean height for adult men is  = 68.5 inches, with a standard deviation of  = 3 inches. The…

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Q: The heights of adult men in America are normally distributed, with a mean of 69.6 inches and a…

A: Z - score :  A Z-score is a numerical measurement that describes a value's relationship to the mean…

Q: The average score on the Stats midterm was 79 points with a standard deviation of 4 points, and…

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Q: In a certain​ city, the average​ 20- to​ 29-year old man is 72.5 inches​ tall, with a standard…

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Q: The average price of a personal computer is $949. If the computer distributed with a standard…

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Q: A mean of 200 and a standard deviation of 50. Find P60, the score which separates the lower 60% form…

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Q: In a study of Ridge View's boys' basketball team, the average height is 68 inches and standard…

A: Given that, In a study of Ridge view's boys' basketball team, the average height is 68 inches and…