14. An e-commerce company conducted a statistical survey of 10,000 online shoppers' consumption in 2014. The consumption amount (in units of 10,000 yuan) falls within the interval [0.3, 0.9]. The frequency distribution histogram is shown in the figure below. (1) In the histogram, $\mathrm { a } =$ $\_\_\_\_$. (2) Among these shoppers, the number of shoppers with consumption amount in the interval [0.5, 0.9] is $\_\_\_\_$. [Figure]
14. An e-commerce company conducted a statistical survey of 10,000 online shoppers' consumption in 2014. The consumption amount (in units of 10,000 yuan) falls within the interval [0.3, 0.9]. The frequency distribution histogram is shown in the figure below.\\
(1) In the histogram, $\mathrm { a } =$ $\_\_\_\_$.\\
(2) Among these shoppers, the number of shoppers with consumption amount in the interval [0.5, 0.9] is $\_\_\_\_$.\\
\includegraphics[max width=\textwidth, alt={}, center]{77aeb955-ee70-4759-afbe-fb5bfacf80e8-4_495_885_342_338}