The answer is forty four 44
Answer:
Step-by-step explanation:
Solution
=5 2/3 + 7 5/9
=3×5+2/3+9×7+5/9
=17/3+68/9
=119/9
=13.22
Hope it helped you.
Answer:
72 is the least common multiple
Step-by-step explanation:
The first one is the multiples of 9 and the second one is of 8
The only one they have in common is the number 72
Answer:
The correct option is 4.
Step-by-step explanation:
Given information:
Bring lunch : 46 males, 254 females
Buy lunch : 176 males, 264 females
Total number of peoples is

Total number of males is

The probability of male is

Since probability of males is 0.3, therefore options A and C are incorrect.
Total number of persons who buys lunch is

The probability of persons who buys lunch is

We need to find the probability of P(male | buys lunch).
According to the conditional probability, we get

P(male | buys lunch)
P(male | buys lunch)
P(male | buys lunch)
Therefore the correct option is 4.
Step-by-step explanation:
The significance level, also denoted as alpha or α, is the probability of rejecting the null hypothesis when it is true. For example, a significance level of 0.05 indicates a 5% risk of concluding that a difference exists when there is no actual difference