Homework Answers
Are from left extreme to Z = 0.9590
Table of Area Under Standard Normal Curve gives Z = 1.74
So,
Answer is:
1.74
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ICUUT, Te Slandard Normal Distribution ore: 0 of 1 pt 1.13 Find the indicatedz score. The...
6.1.37 Assigned Media Question Help * Assume that the readings on the thermometers are normally distributed...
6.1.37 Assigned Media Question Help * Assume that the readings on the thermometers are normally distributed with a mean of 0 and standard deviation of 1.00°C. A thermometer is randomly selected and tested. Draw a sketch to P91 , the 91st percentie. This is the temperature reading separatrg te bottom 91% form the top 9%. Which graph represents Ps? Choose the correct graph below OA. c. O D. Cick to select your answer and then click Check Answer Clear All...
Assigned Media Question Help Assume that thermometer readings are normally distributed with a mean of 0°C...
Assigned Media Question Help Assume that thermometer readings are normally distributed with a mean of 0°C and a standard deviaton of 1 00.С. Athem meter is draw a sketch, and find the probability of the reading (The given values are in Celsius degrees.) randomy selected and tested. For the case below Between 1.50 and 2.25 Draw a sketch. Choose the correct graph below B. Ос. 150 2.25 9.502 225 50 2225 Glick to select your answer and then click Check...
6.2.15 a Assigned Media Question Help Assume that adults have 1Q scores that are rormally distributed...
6.2.15 a Assigned Media Question Help Assume that adults have 1Q scores that are rormally distributed with a mean of u 105 and a standard deviation a20. Find the probability that a randomly selacted adult has an iQ between 87 and 123, The probability that a randomly selected adult has an IQ between 87 and 123 is Type an integer or decimal rounded to four decimal places as reeded) Enter your answer in the answer box and then clck Check...
6.2.21 ga Assgned Media Question Help * A survey found that women's heights are normally dstributed...
6.2.21 ga Assgned Media Question Help * A survey found that women's heights are normally dstributed with mean 63 4 in and standard deviation 2.2 in. A branch of the miltary requires women's heights to be between 58 in and 80 a. Find the percentage of women meeting the height requirement. Are many women being denied the opportunity to join this branch of the mitary because they are too short or too tal? b.tf his branch of the lit rychanges...
6.2.13 Assigned Media ǐΞ Question Help * Assum that adults have l than 129. so res...
6.2.13 Assigned Media ǐΞ Question Help * Assum that adults have l than 129. so res that are nomaly distributed it a mean of-105 and a standard deviation σ= 20. Find the p abity that a and nly selected adult has an IQ less The probability that a randomly selected adulil has an 1Q less than 129 is (Type an integer or decimal rounded to four decimal places as needed.) Enter your answer in the answer box and then click...
Let X be a normal random variable with mean 4 and variance 9. Use the normal...
Let X be a normal random variable with mean 4 and variance 9. Use the normal table to find the following probabilities, to an accuracy of 4 decimal places. Normal Table The entries in this table provide the numerical values of Φ(z)=P(Z≤z), where Z is a standard normal random variable, for z between 0 and 3.49.For example, to find Φ(1.71), we look at the row corresponding to 1.7 and the column corresponding to 0.01, so that Φ(1.71)=.9564. When z is...
A survey found that women's heights are normally distributed with mean 63.7 in and standard deviation...
A survey found that women's heights are normally distributed with mean 63.7 in and standard deviation 2.3 in. A branch of the military requires women's heights to be between 58 in and 80 in. a. Find the percentage of women meeting the height requirement. Are many women being denied the opportunity to join this branch of the military because they are too short or too tall? b. If this branch of the military changes the height requirements so that all...
Use the sample data and confidence level given below to complete parts (a) through (d). A...
Use the sample data and confidence level given below to complete parts (a) through (d). A research institute poil asked respondents if they felt vulnerable to identity theft. In the poll, n=990 and x = 599 who said "yes." Use a 90% confidence level. Click the icon to view a table of z scores a) Find the best point estimate of the population proportion p. (Round to three decimal places as needed.) b) Identify the value of the margin of...
Assume that adults have IQ scores that are normally distributed with a mean of μ=100 and...
Assume that adults have IQ scores that are normally distributed with a mean of μ=100 and a standard deviation σ=20. Find the probability that a randomly selected adult has an IQ less than 132. Positive z Scores Standard Normal (z) Distribution: Cumulative Area from the Left z .00 .01 .02 .03 .04 .05 .06 ...
help please! ignore my work as i tried to get the answers! Find the z score...
help please!
ignore my work as i tried to get the answers!
Find the z score if the NON-shaded region indicated by the arrow is .0991 Round to 4 decimal places -.5.0991 2.4009 25 0991 Applicable z score(s) Final probability as a 4 place decimal IF APPLICABLE Movie theater managers measured the number of scenes in Scary Movie that produced laughter and found the average to be 82.1 separate scenes with stdev =13.06 scenes. Statisticians tested adqiç audiences and found...
6.1.37 Assigned Media Question Help * Assume that the readings on the thermometers are normally distributed with a mean of 0 and standard deviation of 1.00°C. A thermometer is randomly selected and tested. Draw a sketch to P91 , the 91st percentie. This is the temperature reading separatrg te bottom 91% form the top 9%. Which graph represents Ps? Choose the correct graph below OA. c. O D. Cick to select your answer and then click Check Answer Clear All...
Assigned Media Question Help Assume that thermometer readings are normally distributed with a mean of 0°C and a standard deviaton of 1 00.С. Athem meter is draw a sketch, and find the probability of the reading (The given values are in Celsius degrees.) randomy selected and tested. For the case below Between 1.50 and 2.25 Draw a sketch. Choose the correct graph below B. Ос. 150 2.25 9.502 225 50 2225 Glick to select your answer and then click Check...
6.2.15 a Assigned Media Question Help Assume that adults have 1Q scores that are rormally distributed with a mean of u 105 and a standard deviation a20. Find the probability that a randomly selacted adult has an iQ between 87 and 123, The probability that a randomly selected adult has an IQ between 87 and 123 is Type an integer or decimal rounded to four decimal places as reeded) Enter your answer in the answer box and then clck Check...
6.2.21 ga Assgned Media Question Help * A survey found that women's heights are normally dstributed with mean 63 4 in and standard deviation 2.2 in. A branch of the miltary requires women's heights to be between 58 in and 80 a. Find the percentage of women meeting the height requirement. Are many women being denied the opportunity to join this branch of the mitary because they are too short or too tal? b.tf his branch of the lit rychanges...
6.2.13 Assigned Media ǐΞ Question Help * Assum that adults have l than 129. so res that are nomaly distributed it a mean of-105 and a standard deviation σ= 20. Find the p abity that a and nly selected adult has an IQ less The probability that a randomly selected adulil has an 1Q less than 129 is (Type an integer or decimal rounded to four decimal places as needed.) Enter your answer in the answer box and then click...
A survey found that women's heights are normally distributed with mean 63.7 in and standard deviation 2.3 in. A branch of the military requires women's heights to be between 58 in and 80 in. a. Find the percentage of women meeting the height requirement. Are many women being denied the opportunity to join this branch of the military because they are too short or too tall? b. If this branch of the military changes the height requirements so that all...
Use the sample data and confidence level given below to complete parts (a) through (d). A research institute poil asked respondents if they felt vulnerable to identity theft. In the poll, n=990 and x = 599 who said "yes." Use a 90% confidence level. Click the icon to view a table of z scores a) Find the best point estimate of the population proportion p. (Round to three decimal places as needed.) b) Identify the value of the margin of...
help please!
ignore my work as i tried to get the answers!
Find the z score if the NON-shaded region indicated by the arrow is .0991 Round to 4 decimal places -.5.0991 2.4009 25 0991 Applicable z score(s) Final probability as a 4 place decimal IF APPLICABLE Movie theater managers measured the number of scenes in Scary Movie that produced laughter and found the average to be 82.1 separate scenes with stdev =13.06 scenes. Statisticians tested adqiç audiences and found...
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