114218225_khurana_ws2 2

Healthy Sleep Duration  The centers for Disease Control and Prevention, CDC, defines a healthy sleep duration to be at least seven hours per day. The CDC reports that the percentage of people who report a healthy sleep duration varies by marital status. The CDC also reports that in 2018, 67% of those who are married report a healthy sleep duration; 62% of those who have never been married report a healthy sleep duration; and 56% of those who are divorced, widowed, or separated report a healthy sleep duration. The file Sleep Habits contains sample data on the sleeping habits of people who have never been married that are consistent with the CDC’s findings. Use this data to answer the following questions.  Develop a point estimate and a 95% confidence interval for the proportion of those who have never been married who report a healthy sleep duration.  Develop a point estimate and a 95% confidence interval for the mean number of hours of sleep for those who have never been married.…

(Chapter 1 Section 1)The State Education Department requires local school districts to keep these records on all students: age, race or ethnicity, days absent, current grade level, standardized test scores in reading and mathematics, and any disabilities or special educational needs the student may have.Which of the following are categorical (or qualitative) variables in these records? Student Days Absent Race or Ethnicity Age Mathematics Test Score Reading Test Score Current Grade Level Disabilities or Special Needs

Part 3. Let U = {2,3,5,7,11, 13,17,19} A = {5,7,11, 13} B = {2} C = {13,17, 19} D = {2,3,5}

Can you please answer the question below, including all parts in a and b. Thank you.

3. Data on different types of flat fish are showm below. Construct a (relative) irequency table and a bar chart. Flounder Halibut | Turbot | Turbot | Flounder Flounder Turbot Flounder Turbot Sole Sole Turbot Halibut Sole Flounder Turbot Sole Halibut Sole Flounder

Sammy Davi... Duncan Toys... Launch Meet... Louis Vuitto. Performance Matters The history... Welcome, Demario Hudson! X Performane Connection Status: Good O All changes saved Question 2 of 17 - ? r 20-21_AA_Fall_Grade 10 Academic Approach: Section 3 - Math Test – No Calculator - 25 MINUTES, 17 QUESTIONS Submit Test Question: 3-2 Tim is attending a taco festival that charges $10 for admission and $3 for each taco. Which of the following equations gives the number of tacos Tim bought, x, if he spent $34 at the festival? 3(10 + x) = 34 O 3x + 10 = 34 10x + 3 = 34 13x = 34 Next Previous

The accompanying table contains the number of partners in a cohort of rising accounting firms that have been tagged as​ "firms to​ watch." Complete parts​ (a) through​ (c) below.   List the​ five-number summary.   The five-number summary is ___, ___, ____, _____, ____.

Negotiating in trade means you are

(Devore: Section 2.3 #41) An ATM personal identification number (PIN) consists of four digits, each a 0, 1, 2, ..., 8 or 9, in succession. (a) How many different possible PINs are there if there are no restrictions on the choice of digits? (b) According to a representative at the author's local branch of Chase Bank, there are in fact restrictions on the choice of digits. The following choices are prohibited: (i) all four digits identical (ii) sequences of consecutive ascending or descending digits, such as 6543 (iii) any sequence starting with 19 (birth years are too easy to guess). So if one of the PINs in (a) is randomly selected, what is the probability that it will be a legitimate PIN (that is, not be one of the prohibited sequences)? (c) Someone has stolen an ATM card and knows that the first and last digits of the PIN are 8 and 1, respectively. He has three tries before the card is retained by the ATM (but does not realize that). So he randomly selects the 2nd and 3rd digits for…

9th Grade            10th grade           11th grade                  12th grade     6                            10                         17                                15     9                            12                         8                                  16     6                            11                         11                                12     7                            11                         14                                12     7                            14                         15                                12   Calculate the degrees of freedom within group.

Subject:Practical research 2

A. В. D. E. - A, C, and D A and B B, D, and E B, C, and E D and E

Healthy Sleep Duration. The Centers for Disease Control and Prevention (CDC) define a healthy sleep duration to be at least seven hours per day. The CDC reports that the percentage of people who report a healthy sleep duration varies by marital status. The CDC also reports that in 2018, 67% of those who are married report a healthy sleep duration; 62% of those who have never been married report a healthy sleep duration; and 56% of those who are divorced, widowed, or separated report a healthy sleep duration. The file SleepHabits contains sample data on the sleeping habits of people who have never been married that are consistent with the CDC’s findings. Use these data to answer the following questions. Develop a point estimate and a 95% confidence interval for the proportion of those who have never been married who report a healthy sleep duration. Develop a point estimate and a 95% confidence interval for the mean number of hours of sleep for those who have never been married. For…

Part 1: The state of Maryland's arrest rate for marijuana possession in 2010 was the fourth highest in the nation. Public records for that year show that police arrested one out of every 250 Maryland residents for possession of marijuana. In addition, while Black people only comprised 30% of the State's population in 2010, 58% of those arrested for marijuana possession were Black. Use the following labels for events describing Maryland residents in the year 2010. M-AMP: Maryland resident was arrested for marijuana possession M-B: Maryland resident was a Black person a) What is the probability that a Maryland resident was arrested for marijuana possession in 2010? b) Use probability notation to express the cited percent values. 30% = P( 58% = P( c) Which of the values cited should be compared to determine whether race and arrests for marijuana possession in the state of Maryland in 2010 are independent?