Histograms are used to represent data using bars.
The probability that at least 2 thumbtacks land pointing up when 5 thumbtacks are tossed is 0.28
The probability that at least 2 thumbtacks land pointing up when 5 thumbtacks are tossed is calculated using the following complement rule:

Using the values on the histogram (see attachment), we have:


Hence, the probability that at least 2 thumbtacks land pointing up when 5 thumbtacks are tossed is 0.28
Read more about probabilities at:
brainly.com/question/10707698
Answer:
1. angle addition postulate 2. of the triangle theorem 3. subtraction property
Explanation:
i got it right on edge ma dudes
95 percent times 13. 1000000. 13.1000000 take away the answer. That will be answer for the specific month. 95 percent times 4.100000. 4.1000000 take away the answer gives you the answer for the standard deviation. You plus them altogether to find the confidence interval of the true mean.