I need help with math homework. there are two assinments with 7 questions each dealing with distributions.
& HW: Descriptive Statisti X S Schoology X Course Hero G When calculating the 9 X S Chemistry II: Section 5 | x K Tyrese Heard - Acids_E> + X - -> Caaps.schoology.com/common-assessment-delivery/start/4976303211?action=onresume&submissionld=566739772 FA HW: Sampling Distributions 1 of 7 Match the variable with the statistical value it represents P p-hat, or p n #: population proportion sample proportion #: sample size 1 2 3 A 5 6 7 Next O 3 M 3 10:11& HW: Descriptive Statisti X S Schoology X Course Hero G When calculating the 9 X Chemistry II: Section 5 | X K Tyrese Heard - Acids_E> + X C D aaps.schoology.com/common-assessment-delivery/start/4976303211?action=onresume&submissionld=566739772 FA HW: Sampling Distributions 2 of 7 Q. 28% of all Woodrow students believe Monday will be snow day. You take a sample of 50 students and find that 15 of them believe Monday will be a snow day. What does 50 represent? On O p-hat Op O standard deviation Screen capture . now Screenshot taken Show in folder HW: Sampling Distributions 1 2 3 Copied to clipboard EDIT DELETE O 3 M 3 10:11& HW: Descriptive Statisti X S Schoology X Course Hero G When calculating the 9 x Chemistry II: Section 5 | X K Tyrese Heard - Acids_E> + X - -> Caaps.schoology.com/common-assessment-delivery/start/4976303211?action=onresume&submissionld=566739772 FA HW: Sampling Distributions 3 of 7 What is sampling variability? O The difference between an estimate of a sample statistic versus the true value of the sample statistic O The difference between an estimate of a population parameter versus the true value of the population parameter O The standard deviation within a population parameter O The distribution of all possible values of a statistic Screen capture . now Screenshot taken Show in folder HW: Sampling Distributions 1 2 3 Copied to clipboard EDIT DELETE https://aaps.schoology.com/common-assessment-delivery/start/4976303211?.. E 3 M 3 10:11& HW: Descriptive Statisti X S Schoology X Course Hero G When calculating the 9 X Chemistry II: Section 5 | X K Tyrese Heard - Acids_E> + X - -> Caaps.schoology.com/common-assessment-delivery/start/4976303211?action=onresume&submissionld=566739772 HW: Sampling Distributions 4 of 7 A sampling distribution is the probability distribution for which one of the following: O A population O A population parameter O A sample O A sample statistic Screen capture . now Screenshot taken Show in folder HW: Sampling Distributions 1 2 3 The Mom Copied to clipboard EDIT DELETE https://aaps.schoology.com/common-assessment-delivery/start/4976303211?action=onresume&submissionld=566739772# E M 3 10:11& HW: Descriptive Statisti X S Schoology X Course Hero + X Caaps.schoology.com/common-assessment-delivery/start/4976303211?action=onresume&submissionld=566739772 FA HW: Sampling Distributions 5 of 7 True or False? The larger the sample size, the less variability in results. O True O False 1 2 3 4 5 6 7 Next https://aaps.schoology.com/common-assessment-delivery/start/4976303211?.. E 2 10:12& HW: Descriptive Statisti X S Schoology X Course Hero G When calculating the 9 x S Chemistry II: Section 5 | x K Tyrese Heard - Acids_E> + X - -> C D aaps.schoology.com/common-assessment-delivery/start/4976303211?action=onresume&submissionld=566739772 FA HW: Sampling Distributions 6 of 7 True or False? The larger the sample size, the larger the standard deviation. O True O False 1 2 3 4 5 6 7 Next https://aaps.schoology.com/common-assessment-delivery/start/4976303211?.. E 2 10:12& HW: Descriptive Statisti X S Schoology X Course Hero G When calculating the 9 x Chemistry II: Section 5 | x K Tyrese Heard - Acids_E> + X - - Caaps.schoology.com/common-assessment-delivery/start/4976303211?action=onresume&submissionld=566739772 FA HW: Sampling Distributions 7 of 7 By increasing the sample size, we find that the of the sampling distribution gets closer and closer to the true population proportion. 1 2 3 A 5 6 7 Review [ Screen capture . now Screenshot taken Show in folder O 3 M C 3 10:12S Schoology X S Schoology X *Homework Help - Q&Af x M Welcome to the NCSA / X S Chemistry II: Section 5 | X K Tyrese Heard - Acids_E> + X aaps.schoology.com/common-assessment-delivery/start/4949925290?action=onresume&submissionld=566742416 FA Normal Distributions (Part 2) and Z-scores 1 of 7 The normal curve is symmetrical about the mean O True O False 1 2 4 5 6 7 Next O M 3 7 10:18S Schoology X S Schoology X Homework Help - Q&Af x M Welcome to the NCSA / X S Chemistry II: Section 5 | X K Tyrese Heard - Acids_E> + X aaps.schoology.com/common-assessment-delivery/start/4949925290?action=onresume&submissionld=566742416 FA Normal Distributions (Part 2) and Z-scores 2 of 7 Q. The mean life of a tire is 30,000 km. The standard deviation is 2000 km. Then, 68% of all tires will have a life between km and km Hint Draw a picture! O 24,000; 32,000 O 28,000; 34,000 O 28,000; 32,000 O 26,000, 32,000 Screen capture . now Screenshot taken Show in folder Normal Distributions (Part 2) and Z-scores 1 2 3 Copied to clipboard EDIT DELETE https://aaps.schoology.com/common-assessment-delivery/start/4949925290?action=onresume&submissionld=566742416# E M 3 10:18S Schoology X S Schoology X *Homework Help - Q&Af x M Welcome to the NCSA / X S Chemistry II: Section 5 | X K Tyrese Heard - Acids_E> + X aaps.schoology.com/common-assessment-delivery/start/4949925290?action=onresume&submissionld=566742416 FA Normal Distributions (Part 2) and Z-scores 3 of 7 Q. The distribution of heights of adult American men is approximately Normal with mean 69 inches and standard deviation 2.5 inches. What percent of men are taller than 74 inches? O 2.3% O 5% O 16% O 80% Screen capture . now Screenshot taken Show in folder Normal Distributions (Part 2) and Z-scores 1 2 3 Copied to clipboard EDIT DELETE https://aaps.schoology.com/common-assessment-delivery/start/4949925290?action=onresume&submissionld=566742416# E M 3 10:18S Schoology X S Schoology X *Homework Help - Q&Af x M Welcome to the NCSA / X S Chemistry II: Section 5 | X K Tyrese Heard - Acids_E + X aaps.schoology.com/common-assessment-delivery/start/4949925290?action=onresume&submissionld=566742416 Normal Distributions (Part 2) and Z-scores 4 of 7 Q. The 40 yards sprint times for a soccer team are found to be normally distributed with a mean of 5.2 seconds and a standard deviation of 0.3 seconds. What is the z-score for a player who runs a time of 5.6 seconds? Hint: you will want to use the Z-Score Equation (found on slide 18 and up)! O -1.33 O .88 O 1.33 O 1.02 1 2 3 4 5 6 7 Next https://aaps.schoology.com/common-assessment-delivery/start/4949925290?action=onresume&submissionld=566742416# E M 2 10:18S Schoology X S Schoology X Homework Help - Q&Af x M Welcome to the NCSA / X S Chemistry II: Section 5 | X K Tyrese Heard - Acids_E> + X aaps.schoology.com/common-assessment-delivery/start/4949925290?action=onresume&submissionld=566742416 FA Normal Distributions (Part 2) and Z-scores 5 of 7 Q. The 40 yards sprint times for a soccer team are found to be normally distributed with a mean of 5.2 seconds and a standard deviation of 0.3 seconds. What is the z-score for a player who runs a time of 4.6 seconds? O .83 O 1.07 O -1.07 O -2 1 2 3 4 5 6 7 Next O 2 10:18S Schoology X S Schoology X *Homework Help - Q&Af x M Welcome to the NCSA / X S Chemistry II: Section 5 | X K Tyrese Heard - Acids_E> + X aaps.schoology.com/common-assessment-delivery/start/4949925290?action=onresume&submissionld=566742416 FA Normal Distributions (Part 2) and Z-scores 6 of 7 Q. The mean number of accidents a week at a company is 6.4 with a standard deviation of 1.5. What proportion of weeks would you expect to have more than 7 accidents? O .3446 O .4 O .2856 O .6554 1 2 3 4 5 6 7 Next https://aaps.schoology.com/common-assessment-delivery/start/4949925290?.. E 2 10:18S Schoology X S Schoology X *Homework Help - Q&Af x M Welcome to the NCSA / X Chemistry II: Section 5 | X K Tyrese Heard - Acids_E> + X aaps.schoology.com/common-assessment-delivery/start/4949925290?action=onresume&submissionld=566742416 FA Normal Distributions (Part 2) and Z-scores 7 of 7 A certain normal distribution has a mean = 30 and a standard deviation = 4. Find the probability that a randomly selected data value is between 22 and 34. O 68.3% O 81.86% O 97.7% O Not defined 1 2 3 A 5 6 7 Review https://aaps.schoology.com/common-assessment-delivery/start/4949925290?.. E 2 10:18
