Find the 18-th percentile for a normal random variable X~ N(μ = 22, o = 4.9). The 18-th percentile for X is decimal places) Video 2 Post to forum Question Help: Video 1 Message instructor Submit Question Jump to Answer (Round the answer to 2 Video 3 Written Example 1

Q: Determine the two values of z such that the middle 58% of the data lie between the two z-values.

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Q: Find the z-score that cuts off 70% in the body on the right.

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Q: The 95th percentile of 6-year-old boys' heights in the United States is 48.8 inches tall.  Explain…

A: Given: The 95th percentile of 6-year-old boys' heights in the United States is 48.8 inches tall.

Q: What is the difference between finding the Mean and Range?

A: Introduction:The mean is a measure of central tendency, whereas the range is a measure of…

Q: How do you tell percentiles in a table

A: Percentile is a score that tells the value below which a given percentage of values falls in a table…

Q: n the brackets, how did you know to use the 21 and 20 percentiles?

A: The number of observations, The data set…

Q: Find the range , the standard deviation, the variance for 45, 75, 84, 58, 81, 65 , 98,63,76

A: Range = Maximum - Minimum = 98 - 45 = 53   The standard deviation can be determined using the…

Q: .The measure of the correlation is 0.45. Identify the type of correlation. A.Moderate positive…

A: The measure of the correlation is 0.45. Identify the type of correlation

Q: final grade, the final exam counts for 30%, the project counts for 10%, and homework counts for 20%.…

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Q: Snoop Incorporated is a firm that does market surveys. The Rollum Sound Company hired Snoop to study…

A: As requested, I have provided answer for blanks

Q: The mean of the following data is 70. Find x:  47,56,x,79,86

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Q: Find the z-score that cuts off 65% in the body on the left.

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Q: what does being in the 60th percentile mean?

A: Given that 60th percentile   Let a student got 60th percentile in a exam

Q: The number of hours per week that the television is turned on is determined for each family in a…

A: Given that mean = 32 hours Median = 28.2 hours 7th percentile = 17 hours

Q: After six biology tests, Ruben has a mean score of 76. What score does Ruben need on the next test…

A: After 6 biology tests :  Mean = 76  After next test : ( biology test will be 7 now )  Mean =78…

Q: Fimd the Z score associated with the 15th percentile.

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Q: A data set has five values. The 45th and the 55th percentile are both 25. The largest value is 125,…

A: We have to given that,   data set has 5 values i.e. n=5 and 45th percentile = 55th percentile = 25…

Q: Find the value of X2 values that separate the middle 80 % from the rest of the distribution for 20…

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Q: Find the z-score that corresponds to the 63rd percentile

A: we have to find the Z-score that corresponds tothe 63rd percentile.

Q: Willie has an average (mean) of 83.2 on the first five exams. What is the least he can score in…

A: Need to find out least that the student can score in order to have an average of 85.

Q: Mina is waiting in line at the Department of Motor Vehicles (DMV). Her wait time is in the 85th…

A: It is clearly given in statement that at Department of Motor Vehicles waiting line is Mina wait time…

Q: What is the percentile rank x=15 and what is the score for 75th percentile?

A: If the we have no of scores is 15 then we have formula for percentile rank as:…

Q: Hurricane Damage Find the percentile rank for each value in the data set. The data represent the…

A: Given data  2.3,3.3,6.2,7.9,9.6,11.3 N =6