A delivery company samples 500 orders and records how many deliveries were early (before quoted delivery date, yes or no). Out of 500 records, 300 of them were delivered early. The company is interested in seeing if they have statistical evidence that they deliver early a majority of the time. a. Write down the null and alternative hypothesis using proper notation. b. What is the estimate of the true proportion of all orders that are delivered early

what? ?

what type of question is thiss

step-by-step explanation:

the ratio of balloons to tables is 5: 2 and the constant variation is 5.

the equation is y=5x

94

step-by-step explanation:

average the numbers and use a variable to figure out the minimum to get a 90.

(79+94+91+92+x)/5=90

x = 94

all three statements are true

step-by-step explanation:

a shipping fee of 5% is charged online with every item purchased online

first let's just take each option and calculate them based on this, to see if the answers matched

keith buys a 40 dollar book

40 x 0.05 = 2

therefore there will be a two dollar fee on keith's book

40 + 2 =42

the first statement is true

a chair costs $80

80 x 0.05 = 4

80 + 4 = 84

the second statement is true

george buys a 20 dollar calculator

20 x 0.05 = 1

20 + 1 = 21

the third statements are true

all three statements are true