A distribution of values is normal with a mean of 1560.7 and a standard deviation of 35.3. Find the probability that a randomly selected value is between 1518.3 and 1605.9. P(1518.3 < X < 1605.9) =  Enter your answer as a number accurate to 4 decimal places. *Note: all z-scores must be rounded to the nearest hundredth.

Q: The amount of time students study for a test is normally distributed with a mean of 3 hours and a…

A: Mean=μ=3Standard.deviation=σ=1.8Samplesize=n=30

Q: The SAT math scores of a particular high school in New Jersey are approximately normally…

A: From the empirical rule we know that 95% of the observations falls in (µ-2σ,µ+2σ)  Where µ is the…

Q: A distribution of values is normal with a mean of 123.2 and a standard deviation of 62 Find P35,…

A: Given: A distribution of values is normal with  μ=123.2 , σ=62

Q: Assume that adults have IQ scores that are normally distributed with a mean of μ = 100 and standard…

A:

Q: Find the z-score for the value 69, when the mean is 96 snd the standard deviation is 5. z-score= ?

A:

Q: Fluorescent lighbulbs have lifetimes that are normally distributed with a mean of 6.1 years and a…

A: Step 1:The lifetime of fluorescent lightbulbs is normally distributed.mean(μ)=6.1 yearstandrad…

Q: Scores for a standardized test are normally distributed with a mean of 1200 and a standard…

A: given data μ = 1200σ = 60 normal distributionn = 64P(1200&lt;x¯&lt;1214) = ?

Q: Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and those scores…

A: X follows a Normal distribution with mean = 100 and S.D = 15 Then z=(x-mean)/SD = (x-100)/15…

Q: Find the z-score for a single member of the population which has value 86. if the population has a…

A:

Q: Assume that adults have IQ scores that are normally distributed with a mean of u = 105 and a…

A: Normal distribution is a continuous distribution which has many real life applications. Normal curve…

Q: Trucks in a delivery fleet travel a mean of 130 miles per day with a standard deviation of 39 miles…

A: The data on per day mileage of a delivery truck is normally distributed. Population mean, Population…

Q: the average grade is 84 with a standard deviation of 4. What is each grade for -1 2 0 1.5 -1.25

A: Given Mean μ=84Standard deviation σ=4 The formula for Z score isZ=X-μσX=Z×σ+μ

Q: Assume that 11.7% of adults consider being a professional athlete their dream job. Find the…

A: It is given that p = 0.117 and n =2,760.

Q: Assume that the readings on thermometers are normally distributed with a mean of 0 degrees Celsius…

A: We have given that Mu= 0 , sigma =1 X~ N ( 0, 1) Zscore=(x-mu)/sigma

Q: Adult men have an average height of 69.0 inches with a standard deviation of 2.8 inches. Find the…

A: given data, μ=69.0σ=2.8height of a man with a z-score of -1.75 =?

Q: Suppose that a junior partner in a law firm in the Philippines earn an average of 150,000 pesos per…

A: GIVEN DATA  μ = 150000σ = 5000n = 36which interval contains 95% of sample means?

Q: A candy manufacturer has replaced 5.17% of their chocolate bars with a new mystery flavor. Find the…

A: Given: Sample size (n) = 424 p(chocolate bars with a new mystery flavor) = 5.17% = 0.0517

Q: Determine the probability of seeing a Z score of -5.28 or one with a larger absolute value.

A: Z = -5.28 P( Z &gt; -5.28) = 1 – P(Z &lt; -5.28) = 1 – 0 = 1 P(Z &lt; -5.28) = 0 (From Excel…

Q: The average number of strawberries that come in a pint is 27.9, with a standard deviation of 7.8.…

A:

Q: A distribution of values is normal with a mean of 187.9 and a standard deviation of 71.2. Find P80,…

A:

Q: The time spent waiting in the line is approximately normally distributed. The mean waiting time is 7…

A:

Q: Trucks in a delivery fleet travel a mean of 120120 miles per day with a standard deviation of 3333…

A: Given that, Mean (m)=120 Standard deviation (sd) = 33 The mileage per day is distributed normally.…

Q: The time spent waiting in the line is approximately normally distributed. The mean waiting time is 5…

A: given data,normal distribution μ=5σ=3probability that person will wait more than 9 minutes =?

Q: Assume that adults have IQ scores that are normally distributed with a mean of 103.6 and a standard…

A: Given that adults have IQ scores that are normally distributed with, Mean = 103.6 Standard deviation…

Q: Assume IQ scores for adults are normally distributed with a mean of 100 and a standard deviation of…

A:

Q: The life of light bulbs is distributed normally. The standard deviation of the lifetime is 20 hours…

A: Denote X as the life of a randomly selected light bulb.

Q: A person completes a timed task and is told that their z-score for the task is 1.36. The mean for…

A: Given: Population mean (µ) = 10.75 Population standard deviation (σ) = 2.40 z-score = 1.36

Q: The average number of kilos of meat a person consumes in a year is 105 kilos. Assume that the…

A: Average (µ) = 105 Standard deviation(σ) = 12 Distribution is approximately normaln = 40 We have to…

Q: y=3.1  n= 1.6 standard deviation  Find probability that the child spends less than 3.4 hours a day…

A: Given that If  y=3.1  n= 1.6 standard deviation

Q: The average number of strawberries that come in a pint is 27.9, with a standard deviation of 7.8.…

A:

Q: The time spent waiting in the line is approximately normally distributed. The mean waiting time is 5…

A: Here, mean is 5 and standard deviation is 3. We will use z-standard normal distribution.

Q: Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and those scores…

A: Here IQ scores follow N(100,15). We need to find the corresponding IQ score from the graph.

Q: The distances golf balls travel under laboratory testing conditions are normally distributed. The…

A:

Q: The life of lightbulbs is distributed normally. The standard deviation of the lifetime is 20 hours…

A: The following information has been provided: The population mean is μ=600. The population standard…

Q: Assume that the readings on the thermometers are normally distributed with a mean of 0°C and a…

A: Given Data Population Mean,μ = 0 Population Standard Deviation,σ = 1

Q: The IQ of highschool seniors is normally distributed with a mean of 100 and a standard deviation of…

A: The sample size is n=15. The population mean is μ=100. The population standard deviation is σ=15. We…

Q: The time spent waiting in the line is approximately normally distributed. The mean waiting time is…

A:

Q: The scores on the exam public health professionals take to be certified follows a normal…

A:

Q: Trucks in a delivery fleet travel a mean of 100 miles per day with a standard deviation of 38 miles…

A:

Q: According to the latest internet usage survey of college students, the amount of time spent on…

A: From the provided information, Mean (µ) = 210 minutes Standard deviation (σ) = 45 minutes X~N (210,…

Q: Assume that adults have IQ scores that are normally distributed with a mean of u = 100 and a…

A: Let X be the random variable from normal distribution with mean (μ) = 100 and standard deviation (σ)…

Q: Trucks in a delivery fleet travel a mean of 100100 miles per day with a standard deviation of 3535…

A: The objective of this question is to find the probability that a truck drives less than 148 miles in…

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.