High School Competency Test A mandatory competency test for high school sophomores has a normal distribution with a mean of 430 and a standard. deviation of 113. Round the final answers to the nearest whole number and intermediate z-value calculations to 2 decimal places. Part: 0/2 Part 1 of 2 (a) The top 2% of students receive $500. What is the minimum score you would need to receive this award? The minimum score needed to receive the award is X

Q: Round z-score to the nearest hundredth and then find the required A values using the table. The…

A: It is given that the mean is 185 and the standard deviation is 39.

Q: Are you smarter than a second grader? A random sample of 60 second graders in a certain school…

A: From the provided information,Population standard deviation (σ) = 15Sample mean (x̄) = 52Sample size…

Q: High School Competency Test A mandatory competency test for high school sophomores has a normal…

A: According to the given information in this question We need to find the minimum score

Q: Find the percentage of area under a normal curve between the mean and the given number of standard…

A: We will use Excel to find the required area under the standard normal curve.

Q: Use the range rule of thumb to identify the values that are significantly low, the values that are…

A: From the provided information,Mean (µ) = 20.2Standard deviation (σ) = 5.4

Q: The frequency distribution was obtained using a class width of 0.5 for data on cigarette tax rates.…

A:

Q: 3. Identifying Extreme Values: Using the Normal Table in Reverse Steps: 1) Sketch the normal curve…

A:

Q: Roland received a score of 80 on a test for which the mean score was 74.3. Roland has learned that…

A:

Q: Entry to a certain University is determined by a national test. The scores on this test are normally…

A: From the given information, Consider, X be the random variable that denotes the test score of a…

Q: A manufacturer of bolts has a quality-control policy that requires it to destroy any bolts that are…

A: Given: Mean (x¯)=13 Standard Deviation (s)=0.05   Destroy any bolts that are more than 2 standard…

Q: If only the top 15% of the applicants are selected, find the cutoff score. Round z-value…

A: We have given that the random variable score i.e, X follows normal distribution with a mean of 64…

Q: Fill in the blank. The represents the number of standard deviations an observation is from the mean.…

A: Here we need to fill the blank with appropriate answer.

Q: Find the z-score for a GPA of 3.04. Correct Round to 2 decimal places. Find the probability a…

A: Here AS PER POLICY I HAVE CALCULATED 3 SUBPART PLZ REPOST FOR REMAINING PARTS  Mean = 2.62 Standard…

Q: Complete the problem question: The class has a score of 85 with a mean of 70 percent on their…

A:

Q: The average time for a student to complete this quiz is 24 minutes with a standard deviation of 2…

A: We have given that,  The students quiz are normally distributed with mean(mu) = 24 and standard…

Q: Reading Improvement Program To help students improve the is to be administered to the bottom 6% of…

A: Given Information: Mean μ=124.4 Standard deviation σ=23 Reading program is to be administered to the…

Q: Fill in the blank. When a data value is converted to a standardized scale representing the number of…

A: Z-score represents the number of standard deviations a data point lies above or below the mean.

Q: Police Academy Acceptance Exams To qualify for a police academy, applicants are given a test of…

A:

Q: OF 62 and a standard deviation of 12. If only the top 20% of the cants are selected, find the cutoff…

A: Let X be the 20% of the scores from Normal distribution with mean (μ) = 62 and standard deviation…

Q: CH5: A population of scores has u = 126. In this population, a score of X = 138 corresponds to z =…

A:

Q: e. Calculate the upper fence

A: Part 3: c. The samples from Stem and leaf plot is 12, 55, 55, 78, 78, 89. The position of first…

Q: True/False Write T or F in the blank to indicate whether the statement is true or false. A statistic…

A: Given that  We have to find True/False:  A statistic is a piece of data that describes an entire…

Q: The combined SAT scores for the students at a local high school are normally distributed with a mean…

A:

Q: Looking at the picture above, the x with the bar over it represents the   While the "s" represents…

A: The provided x with bar over it represents the sample mean and “s” represents the sample standard…

Q: N Use the body temperatures, in degrees Fahrenheit, listed in the accompanying table. The range of…

A: Given,Range = 3.6°FThe actual standard deviation = 0.67°FThe goal is to approximate the standard…