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are randomly selected with replacement
What is the probability 2 are red l is yellow, and 3 are
white?
X- Geometric(3,0.20)
The probability that a company will answer is 0.2 and it is assumed that these answers are independent. 1) What is the probability, rounded to the nearest hundredth, that the person will receive at least one answer?
A super, market has been selling discounted apples in bundles of five at their counters. A random sample of 49 bundles weighs 980 grams on average, with a standard deviation of 65 grams. Test the hypothesis that . = 1000 grams against the alternative hypothesis of > 1000 at 0.07 level of significance
1. What is the distribution of X? 2. What is the probability so that X is equal to 15?
In case of headache, 3 patients out of 5 take Panadol while 2 out 5 take another medication M. 75% of patients feel better knowing that they took Panadol. 90% feel better given they took the other medication
1. What is the probability of having no longer a headache? 2. What is the probability that a patient feels better given he took Panadol?
(a) If P(A) = 0.48, what is the value of P(not A)?
(b) If P(not A) = 0.75, what is the value of P(not A)?
(c) Is it possible that P(A) = 17/3?
(d) Is it possible that P(A) = 3/17?
(e) Does P(A) + P(not A) always equal 1?
president must be a girl.
#340153 on Dec 2023