The national sleep foundation used a survey to determine whether hours of sleeping per night are independent of age (newsweek, january 19, 2004). the following show the hours of sleep on weeknights for a sample of individuals age 49 and younger and for a sample of individuals age 50.

hours of sleep
age fewer than 6 6 to 6.9 7 to 7.9 8 or more total
49 or younger 34 59 77 70 240
50 or older 35 58 74 93 260
conduct a test of independence to determine whether the hoursof sleep on weeknights are independent of age. use = .05.

compute the value of the 2 test statistic (to 2 decimals).

question: how many people can she serve?

answer: she can serve 16.66666667 people. so she can only give 16 people a complete serving.

question: does she have enough ice cream for her guests?

answer: no. explanation: she only has enough for 16 people to have a full serving. however, she can give a 17th person a partial serving.

overpriced

step-by-step explanation:

d.) yes, because the volume of the cone is greater than the volume of the sphere

step-by-step explanation:

hello, sorry being so rude after all that fighting i found it kind of funny, so as me saying sorry here is an answer!

since the table showed her that   2km = 2000m.

to determine, how many km in 2000m, she would divide by 1000.

= 2000 / 1000 = 2 km.

similarly, for 8000m = 8000 / 1000 = 8 km

cheers to savings

~

your pal papaguy