Answer:
Step-by-step explanation:
Hello!
The histogram summarizes the amount of sugar in organic snacks. (mg)
Y-axis shows the number of snacks
X-axis shows the amount of sugar per snack
The first column of the histogram show that 2 snacks contain sugar between 220 and 224 mg of sugar.
The second column shows that about 3 snacks have between 224 and 228 mg of sugar.
The third column shows that 8 snacks have between 228 and 232 mg of sugar.
The fourth column shows that 12 snacks have between 232 and 236 mg of sugar.
The fifth column shows that 11 snacks have between 236 and 240 mg of sugar.
The sixth column shows that 3 snacks have between 240 and 244 mg of sugar.
The seventh column shows that 2 snacks have between 244 and 248 mg of sugar.
The total of observations is 2+3+8+12+11+3+2= 41 snacks.
I hope this helps!
If a random sample of 20 persons weighed 3,460, the sample mean x-bar would be 3460/20 = 173 pounds.
The z-score for 173 pounds is given by:

Referring to a standard normal distribution table, and using z = 0.66, we find:

Therefore

The answer is: 0.2546