Is this Binomial distributed?

Is this Binomial distributed?

During the school holidays, each day Khalid either rides on his bicycle with probability 0.6, or on his skateboard with probability 0.4. Khalid does not ride on both on the same day. If he rides on his bicycle then the probability that he hurts himself is 0.05. If he rides on his skateboard the probability that he hurts himself is 0.75. Find the probability that Khalid hurts himself on any particular day.

• YES

• NO

Is this Binomial distributed?

A box of 20 biscuits contains 4 different chocolate biscuits, 2 different oatmeal biscuits and 14 different ginger biscuits. 6 biscuits are selected from the box at random.

Find the probability that fewer than 3 chocolate biscuits are selected.

• YES

• NO

Is this Binomial distributed?

In Penang state 22% of families own a dishwasher.

Find the probability that, of 15 families chosen at random from Penang state, between 4 and 6 inclusive own a dishwasher.

• YES

• NO

Is this Binomial distributed?

The random variable X has is normally distributed with mean -3 and standard deviation 5. The probability that a randomly chosen value of X is positive is p. Find the probability that, of 8 random values of X, fewer than 2 will be positive.

• YES

• NO

Is this Binomial distributed?

Andy has 4 red socks and 8 black socks in his drawer. He takes 2 socks at random from his drawer. Find the probability that both socks taken are red.

• YES

• NO

Is this Binomial distributed?

It is known that the 20% of the t-shirts produced from a factory are red colour and the rest are black. Andy bought 2 t-shirts produced by that factory. Find the probability that both t-shirts bought are red.

• YES

• NO

Is this Binomial distributed?

A bag contains 10 pink balloons, 9 yellow balloons, 12 green balloons and 9 white balloons. 7 balloons are selected at random without replacement. Find the probability that exactly 3 of them are green.

• YES

• NO

Is this Binomial distributed?

A bag contains 10 pink balloons, 9 yellow balloons, 12 green balloons and 9 white balloons. 7 balloons are selected at random with replacement. Find the probability that exactly 3 of them are green.

• YES

• NO

Is this Binomial distributed?

5 letters are chosen from the 9 letters of the word SEVENTEEN. Find the probability that the number of E selected is less than 2.

• YES

• NO

Is this Binomial distributed?

In a certain country, 60% of mobile phones sold are made by Company A, 35% are made by Company B and 5% are made by other companies.

Find the probability that, out of a random sample of 13 people who buy a mobile phone, fewer than 11 choose a mobile phone made by Company A.

• YES

• NO