IQ scores are normally distributed with a mean of 100 and standard deviation of 15. Compute the z score for an individual with an IQ score of 120. Z=1.33 Z = 1.32 Z = 1.31 O Z = 1.29
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- A normal distribution has a mean of 117 and a standard deviation of 4. Find the z-score for a data value of 125. Round to two decimal placesConsider a value to be significantly low if its z score less than or equal to -2 or consider a value to be significantly high if its z score is greater than or equal to 2. A data set lists weights (grams) of a type of coin. Those weights have a mean of 5.30979 g and a standard deviation of 0.06539 g. Identify the weights that are significantly low or significantly high. .BBE What weights are significantly low? Select the correct answer below and fill in the answer box(es) to complete your choice. O A. Weights that are greater than (Round to five decimal places as needed.) O B. Weights that are between and (Round to five decimal places as needed. Use ascending order.) OCWeights that are less than (Round to five decimal places as needed.)The time to complete an exam is approximately Normal with a mean of 41 minutes and a standard deviation of 7 minutes. The bell curve below represents the distribution for testing times. The scale on the horizontal axis is equal to the standard deviation. Fill in the indicated boxes. µ = 41 o = 7 H- 30 u-20 µ-o u+o µ+20 µ+30
- The time to complete an exam is approximately Normal with a mean of 43 minutes and a standard deviation of 5 minutes. The bell curve below represents the distribution for testing times. The scale on the horizontal axis is equal to the standard deviation. Fill in the indicated boxes.Consider a value to be significantly low if its z score less than or equal to - 2 or consider a value to be significantly high if its z score is greater than or equal to 2. A data set lists weights (grams) of a type of coin. Those weights have a mean of 5.62152 g and a standard deviation of 0.05197 g. Identify the weights that are significantly low or significantly high. What weights are significantly low? Select the correct answer below and fill in the answer box(es) to complete your choice. O A. Weights that are greater than . (Round to five decimal places as needed.) (Round to five decimal places as needed.) B. Weights that are less than C. Weights that are between and. (Round to five decimal places as needed. Use ascending order.)Attached here is the question and answers? Scores on a standardized test are normally distributed with a mean of 100 and a standard deviation of 12. An individualʹs test score is found to be 125. Find the z-score corresponding to this value. Group of answer choices -0.48 2.08 0.48 -2.08
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- Consider a value to be significantly low if its z score less than or equal to -2 or consider a value to be significantly high if its z score is greater than or equal to 2. A data set lists weights (grams) of a type of coin. Those weights have a mean of 5.46744 g and a standard deviation of 0.05267 g. Identify the weights that are significantly low or significantly high. What weights are significantly low? Select the correct answer below and fill in the answer box(es) to complete your choice. O A. Weights that are less than (Round to five decimal places as needed.) O B. Weights that are between and (Round to five decimal places as needed. Use ascending order.) O C. Weights that are greater than (Round to five decimal places as needed.) What weights are significantly high? Select the correct answer below and fill in the answer box(es) to complete your choice. O A. Weights that are greater than (Round to five decimal places as needed.) O B. Weights that are between and (Round to five…A distribution of values is normal with a mean of 41.2 and a standard deviation of 24.2. Find P38, which is the score separating the bottom 38% from the top 62%. P38 = Enter your answer as a number accurate to 1 decimal place. Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted. Submit Question abc esc F1 F2 F3 F4 F5 F6 %23 3. Q W R 454The human population has a mean IQ score of u = 100 and a standard deviation of o = 15. Find the z- score of a stat student who has an IQ score of 123. Round to 3 decimal places. 1.533 1.118 None of these -1.339 1.779
