HELP PLZ!!

Rashad is a hotel manager. He surveyed a random sample of 120 guests and asked them which floor their room was and about their level of satisfaction.

Rashad wants to perform a χ2 squared test of independence between floor and satisfaction.

What is the expected count for the cell corresponding to satisfied guests that stayed in floors 777 to 999?

You may round your answer to the nearest hundredth.

Acompany did a quality check on all the packs of nuts it manufactured. each pack of nuts is targeted to weigh 18.25 oz. a pack must weigh within 0.36 oz of the target weight to be accepted. what is the range of rejected masses, x, for the manufactured nuts? x < 17.89 or x > 18.61 because |x − 18.25| > 0.36 x < 17.89 or x > 18.61 because |x − 0.36| + 18.25 > 0 x < 18.25 or x > 18.61 because |x − 18.25| > 0.36 x < 18.25 or x > 18.61 because |x − 0.36| + 18.25 > 0

Avery has saved $295 to spend on christmas gifts for 11 people. which is the best estimate of the amount he can spend for each person?

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?