Answer:

Step-by-step explanation:
Average life of electric bulbs = 300 hrs
standard deviation = 45
Total no of bulbs tested = 100
Probability that sample mean is less than 295 =?
Using Central Limit Theorem

From table of normal distribution:

Answer:
23.558
Step-by-step explanation:
may i have brainliest
Dot plot is to see how many people voted for that object or something
25% of 60 is 15. 15 tables times 2 seats each is 30 seats. the remaining 75% of the 60 tables is 45. 45 times 4 seats each is 180. 180 seats plus 30 seats is 210.
Answer:
B. Thin leaves
Step-by-step explanation:
I live in Australia