Reports claim 15.1% of adults are smokers, but Jane suspects the proportion of smokers has decreased since the numbers were taken. She takes a random sample of 200 adults and found 10.3% were smokers. The null hypothesis is p = 0.151 and the alternative hypothesis is p < 0.151 Which shows the correct work for checking that there are at least 10 expected successes?

A. 200(0.103)
B. 200(0.151)
C. 200(0.897)
D. 200(0.849)

with this answer, what would be the standard deviation of the sampling distribution?​

Issof claims that the scale factor is 1/2. which statement about his claim is correct

The ratios 3: 9, 4: 12, 5: 15, and 6: 18 are a pattern of equivalent ratios in the ratio table. which is another ratio in this pattern?

Paula makes stained-glass windows and sells them to boutique stores. if her costs total $12,000 per year plus $4 per window for the frame. how many windows must she produce to earn a profit of at least $48,000 in one year if she sells the windows for $28 each? 1. define a variable for the situation. 2. write an inequality that represents her profit. note: revenue is money coming in. cost is money going out. profit is the difference between the revenue and the cost. in other words: revenue - costs profit 3.using words, describe how many windows she must sell to have a profit of at least $48,000.