Mathematics, 26.06.2020 20:01, emadrid76
The results of a national survey showed that on average, adults sleep 7.1 hours per night. Suppose that the standard deviation is 1.7 hours and that the number of hours of sleep follows a bell-shaped distribution. If needed, round your answers to two decimal digits. If your answer is negative use "minus sign". (a) Use the empirical rule to calculate the percentage of individuals who sleep between 3.7 and 10.5 hours per day. Enter your answer as a percentage. % (b) What is the z-value for an adult who sleeps 8 hours per night? (c) What is the z-value for an adult who sleeps 6 hours per night?
Answers: 1
Mathematics, 21.06.2019 15:00, Lizzyloves8910
Answer this question! 30 points and brainliest!
Answers: 1
Mathematics, 21.06.2019 19:30, zetrenne73
Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. when the check comes, it says they also need to pay $3.99 in sales tax. what percentage of the subtotal is the sales tax
Answers: 2
Mathematics, 22.06.2019 02:00, Serenitybella
What number gives you a irrational number when added to 2/5
Answers: 1
The results of a national survey showed that on average, adults sleep 7.1 hours per night. Suppose t...
Social Studies, 18.07.2019 02:00
Biology, 18.07.2019 02:00
History, 18.07.2019 02:00
Mathematics, 18.07.2019 02:00
Social Studies, 18.07.2019 02:00
Biology, 18.07.2019 02:00
Social Studies, 18.07.2019 02:00