According to one poll, 48% of households in a certain region still had landline phone service. Suppose a random sample of 55 households from the region is taken. Complete parts (a) through (d) below. a. Find the probability that exactly 23 of the households sampled still have a landline. The probability that exactly 23 still have a landline is ☐ (Type an integer or a decimal. Round to three decimal places as needed.) b. Find the probability that more than 23 households still have a landline. The probability that more than 23 still have a landline is (Type an integer or a decimal. Round to three decimal places as needed.) c. Find the probability that at least 23 households still have a landline. The probability that at least 23 still have a landline is ☐ (Type an integer or a decimal. Round to three decimal places as needed.) d. Find the probability that between 20 and 23 households, inclusive, still have a landline. The probability that between 20 and 23 households, inclusive, still have a landline is ☐ . (Type an integer or a decimal. Round to three decimal places as needed.)

Help with all please.

Kindly help.thanks

x+y=5 x-y=1

Can you help me please and thank you

Part B please

Simplify. -32- 10c

-1 2 5 2 7 -5 Let B = and C = 2 5 3 2 3 5 Find -4B+ 5C. >

the price of a stock drops $3 each day for 7 days. The stock was worth $50 before the price began dropping. What is the price of the stock after the price dropped in price.

e7.5 please explain