I need help what is the answer will mark brainliest please help
1 answer:
You might be interested in
Solution:
When two number cubes are rolled,
Sample space= Total Possible outcome {11,22,33,44,55,66,12,21,13,31,14,41,15,51,16,61,23,32,24,42,25,52,26,62,34,43,35,53,36,63,45,54,46,64,56,65}=36
Probability of an event =
Sum of 4 is obtained when ={13,31,22}=3
Probability of getting 4 when 2 number cubes are rolled=
Sum of the numbers is greater than 9= 10, 11,12={55,64,46,56,65,66}=6
Probability of getting(Sum of the numbers is greater than 9)=
Answer:
Step-by-step explanation:
Answer:
Test statistic Z = 2.1097
Step-by-step explanation:
<u><em>Step(i):-</em></u>
Given that size of the sample 'n' = 160
Given that mean of the Population(μ) = 5.3pounds/square inch
The Standard deviation of the population(σ) = 0.6
Mean of the sample(x⁻) = 5.4
Level of significance =0.1
<u><em>Step(ii):-</em></u>
Test statistic
Z = 2.1097
<u><em>Final answer</em></u>:-
Test statistic Z = 2.1097