The dot plot shows how many games of chess 8 different members of the chess club played in one month. If Jackson is a new member
1 answer:
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Answer:
There were 6 onion rings and 2 slider in the combination meal.
Step-by-step explanation:
Let x be the number of onion rings and y be the number of slider.
Calories in one onion ring = 45 calories
Calories in one slider = 325 calories
Total number of calories = 920
Thus, we can write the equation:
There are 3 times as many onion rings as the sliders.
Thus, we can write the equation:
Solving the two equation by substitution method, we get,
Thus, there were 6 onion rings and 2 slider in the combination meal.
Answer: 0.7619
Step-by-step explanation:
Given : Mean :
Standard deviation :
Sample size :
We assume that the variable is normally distributed.
The value of z-score is given by :-
a) For x= 46.9 years
The p-value :
Hence, the probability that the average age of those doctors is less than 46.9 years =0.7619