Answer all please

4 of 50 What do we call a graph of probabilities associated with all the possible values taken by a continuous random variable? 0 Distribution stress function I 0 Probability density function 0 Probability mass function 0 Probability tension function 5 of50 The number of chocolate chips in a popular brand of cookie is normally distributed with a mean of 19 chocolate chips per cookie and a standard deviation of 3.7 chips. When the cookies come out of the oven, only the middle 90% in terms of the number of chocolate chips are acceptable (the rest are considered defective). Rounded to a whole number of chips, what are the cutoff numbers for the number of chocolate chips in acceptable cookies? 0 15 and 23 O 13 and 25 O 11 and 27 0 not enough information to answer 6 of 50 Which of the following statements about the sampling distribution of sample means is true? 0 The mean of the sampling distribution of sample means is the same as the population mean: the standard deviation of the sampling distribution of sample means is the same as the population standard deviation. '. O The mean of the sampling distribution of sample means is smaller than the population mean; the standard deviation of the sampling distribution of sample means is smaller than the population standard deviation. 0 The mean of the sampling distribution of sample means is the same as the population mean; the standard deviation of the sampling distribution of sample means is larger than the population standard deviation. 0 The mean of the sampling distribution of sample means is the same as the population mean; the standard deviation of the sampling distribution of sample means is smallerthan the population standard deviation. 7 of50 It 1 5% of adults in a certain country work from home, what is the probability that fewer than 60 out of a random sample of 500 adults will work from home? 0 .97 Q .03 Q .003 Q .097