Calibrating a scale:
making sure that the scales used by businesses in the united states are accurate is the responsibility of the national institute for standards and technology (nist) in washington, d. c. suppose that nist technicians are testing a scale by using a weight known to weigh exactly 1000 grams. the standard deviation for scale reading is known to be o 2.8. they weigh this weight on the scale 50 times and read the result each time. the 50 scale readings have a sample mean of x = 1001.1 grams. the calibration point is set too high if the mean scale reading is more than 1000 grams. the technicians want to perform a hypothesis test to determine whether the calibration point is set too high.
use a = 0.01 level of significance and the critical value method.

(a) state the appropriate null and alternate hypotheses.
h0:
h1:
this hypothesis test is a left, right, or two tailed?

answer: c, the green line

step-by-step explanation:

there is no black line, eliminate b.

simple interest implies periodic payments, but the red line shows no payments, eliminate d.

simple interest has equal payments. if paid say every day, the graph is about a straight line (actually a stairstep).

the yellow line is not straight, eliminate a.

check: the green line is straight, answer is c.

simple interest with positive interest rate gives a straight line sloping up to the right. green line:

g(t) = $100 + ($200-$100) ÷ (20 years) × (t years)

= $100 + (4%/year) × ($100)(t years)

incidentally, the yellow line curving upward represents continuously compounded interest

y = $100 × 2^(t years / (14 assuming the yellow line hits $200 at 14 years. 2^0 is 1, so y(0) = $100; 2^(14/14) is 2, so y(14) = $200.

$2416.6

step-by-step explanation:

per hour = $ 25

total work time = 35

commission = 15%

total she has to make = $ 4,500

let she sold x dollar products

so her commission will be 15 % of x

now

total = weekly basic pay + commission

4500= (25*35) + 15 % of x

4500=875 + * x

4500-875 =   * x

3625= * x

multiplying wwith 100 on both sides gives

36250 = 15 x

now

x =  

x= $2416.6

not me

step-by-step explanation:

i wish i did i would like to get a desert ghost ball python